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Here is a list of species found with the tag "Chordata".
Click here for a Full Listing of all species in the PaleoDex.
A (293 species)
Aardonyx - Early Jurassic, 195 Ma
Abelisaurus - Late Cretaceous, 80 Ma
Abrictosaurus - Early Jurassic, 199-196 Ma
Abrosaurus - Middle Jurassic
Abydosaurus - Early Cretaceous, 104.5 Ma
Abyssomedon - Early Permian, Kungurian
Acamptonectes - Cretaceous, Hauterivian-Cenomanian
Acanthodes - Early Devonian to Early Permian, 409-284 Ma
Acanthopholis - Early Cretaceous
Acanthostega - Late Devonian, 365 Ma
Acheloma - Early Permian, 279.5-272.5 Ma
Achelousaurus - Late Cretaceous, 74.2 Ma
Acherontiscus - Unavailable
Acherontisuchus - Mid-Late Paleocene (Peligran-Itaboraian)~60-58 Ma
Acheroraptor - Late Cretaceous, 66 Ma
Achillesaurus - Late Cretaceous, 85 Ma
Achillobator - Late Cretaceous, 89 Ma
Acinacodus - Lower Cretaceous
Acinonyx pardinensis - Early to Middle Pleistocene
Acleistorhinus - Early Permian, 273.6-271.6 Ma
Acristatherium - Early Cretaceous, 125 Ma
Acristavus - Late Cretaceous, 79 Ma
Acrocanthosaurus - Early Cretaceous Aptian to Albian, 116-110 Ma
Acrophyseter - Late Miocene (Laventan-Montehermosan)~13.65-5.332 Ma
Acrotholus - Late Cretaceous, 84-83.5 Ma
Acteosaurus - 99.6-89.3 Ma Late Cretaceous: Cenomanian - Turonian
Adamantinasuchus - Late Cretaceous
Adamantisaurus - Late Cretaceous
Adapis - Early - Late Eocene
Adasaurus - Late Cretaceous, 70 Ma
Adelobasileus - Late Triassic, 225 Ma
Adelogyrinus - Unavailable
Adelolophus - Late Cretaceous, 78 Ma
Adelospondylus - Carboniferous
Adelphailurus - Middle Miocene-Late Miocene
Adeopapposaurus - Early Jurassic
Adilophontes - Early Oligocene-Early Miocene
Adinophis - Maastrichtian of the Cretaceous
Adocus - Early Cretaceous - Oligocene, 125-28 Ma
Adriosaurus - Late Cretaceous, 95 Ma
Aegirosaurus - Late Jurassic-Early Cretaceous, Tithonian-Valanginian
Aegisuchus - Late Cretaceous, 95 Ma
Aegyptopithecus - 35-33 Ma Late Eocene-Early Oligocene
Aegyptosaurus - mid Cretaceous, 95 Ma
Aelurodon - Middle Miocene-Late Miocene
Aelurognathus - Wuchiapingian, 260.9-254 Ma
Aelurosaurus - Late Permian
Aenigmastropheus - Lopingian, 254.7 Ma
Aeolosaurus - Late Cretaceous 83-74 Ma
Aepyceros datoadeni - Pliocene
Aerodactylus - Late Jurassic, 150.8-148.5 Ma
Aerosaurus - Early Permian, 295 Ma
Aerosteon - Late Cretaceous, 84 Ma
Aerotitan - Late Cretaceous
Aetiocetus - Late Oligocene
Aetobarbakinoides - Late Triassic, 231.4-225.9 Ma
Aetodactylus - Late Cretaceous, 97 Ma
Aetosauroides - Late Triassic, 231.4-225.9 Ma
Afrasia - Late Middle Eocene
Afrocyon - Miocene-Pliocene
Afrodon - Unavailable
Afropithecus - Miocene
Afrosmilus - Miocene, 16.9-9 Ma
Afrovenator - Middle Jurassic, 167-161 Ma
Agathaumas - Late Cretaceous, 66 Ma
Agilisaurus - Middle Jurassic, 168-161 Ma
Agilodocodon - Middle Jurassic
Agnosphitys - Late Triassic, 208 Ma
Agnotherium - 17-11 Ma Early Miocene - Middle Miocene
Agorophius - Rupelian of the Oligocene
Agriotherium - Late Miocene-Gelasian
Aguascalientia - Miocene
Agujaceratops - Late Cretaceous, 77 Ma
Agustinia - Early Cretaceous, 108 Ma
Ahshislepelta - Late Cretaceous, Campanian
Aigialosaurus - Late Cretaceous
Ajkaceratops - Late Cretaceous, Santonian
Akaimia - Middle-Late Jurassic, Callovian-Oxfordian
Akidolestes - Early Cretaceous, 122 Ma
Alamitornis - Late Cretaceous, 70 Ma
Alamosaurus - Late Cretaceous, 70 Ma
Alanqa - Late Cretaceous, 95 Ma
Alaskacephale - Late Campanian, 80-69 Ma
Albalophosaurus - Early Cretaceous
Albertaceratops - Late Cretaceous, 77.5 Ma
Albertadromeus - Late Cretaceous
Albertonectes - Late Cretaceous, 73.5 Ma
Albertosaurus - Late Cretaceous, 71-68 Ma
Albertosuchus - Late Cretaceous
Albicetus - Langhian
Albinykus - Santonian-Campanian Late Cretaceous
Albionbatrachus - Upper Eocene-Lower Miocene, 37.2-17 Ma
Alcovasaurus - Late Jurassic, 150 Ma
Aldabrachampsus - Unavailable
Alectrosaurus - Late Cretaceous, 83-74 Ma
Aleosteus - Late Emsian
Aletopelta - Campanian
Aletrimyti - Early Permian
Alexeyisaurus - Late Triassic, 210 Ma
Alienochelys - Late Cretaceous, 70 Ma
Alierasaurus - Permian
Alioramus - Late Cretaceous, 70 Ma
Allenypterus - Carboniferous
Allodaposuchus - Late Cretaceous, Campanian-Maastrichtian
Allopleuron - Late Cretaceous
Allosaurus - Late Jurassic, 155-150 Ma
Alnashetri - Late Cretaceous, 97 Ma
Alocodon - Unavailable
Aloposaurus - Late Permian
Alphadon - Late Cretaceous
Alrausuchus - Middle Permian
Altenglanerpeton - Late Carboniferous or Early Permian, 299 Ma
Altirhinus - Early Cretaceous
Altispinax - Early Cretaceous, 137 Ma
Alvarezsaurus - Late Cretaceous, 86-83 Ma
Alveusdectes - Late Permian, 256 Ma
Alwalkeria - Late Triassic, 228 Ma
Alxasaurus - Early Cretaceous, 112-100 Ma
Amargasaurus - Early Cretaceous, 129.4-122.46 Ma
Amargatitanis - Early Cretaceous
Amazonsaurus - 125-100 Ma Early Cretaceous
Ambulocetus - Early Eocene, 47.8-41.3 Ma
Amebelodon - Middle Miocene-Late Miocene
Ammosaurus - Early Jurassic, 200-195 Ma
Ampelosaurus - Late Cretaceous, 70 Ma
Amphekepubis - Late Cretaceous, 89.3-84.9 Ma
Amphicoelias - Late Jurassic, 150 Ma
Amphicyanis - Unavailable
Amphicyon - Aquitanian-Pleistocene Early Miocene to Early Pleistocene
Amtocephale - Late Cretaceous, 84.5-83.5 Ma
Amurosaurus - Late Cretaceous, 70-66 Ma
Anabisetia - Late Cretaceous, 95-92 Ma
Anancus - Late Miocene-Early Pleistocene
Anarosaurus - Middle Triassic
Anasazisaurus - Late Cretaceous, 74 Ma
Anatosuchus - Early Cretaceous
Ancalecetus - Late Eocene
Anchiceratops - Late Cretaceous, 72-71 Ma
Anchiornis - Late Jurassic, 160.89-160.25 Ma
Anchisaurus - Early Jurassic, 200-195 Ma
Anchitherium - Miocene [1]
Anconastes - Late Carboniferous
Ancylotherium - 6.5-1.8 Ma Late Miocene to Early Pleistocene
Andalgalornis - Late Miocene - Early Pliocene
Andesaurus - Cenomanian99.6-97 Ma
Andrewsarchus - Middle Eocene, 48-41 Ma
Andrewsiphius - Eocene
Andrewsornis - Oligocene-Early Miocene (Deseadan)~29.0-21.0 Ma
Angelosaurus - Early Permian
Angistorhinus - Late Triassic
Angolachelys - Turonian
Angolasaurus - Late Cretaceous (Turonian - Maastrichtian)
Angolatitan - Late Turonian, 90 Ma
Anguanax - Late Jurassic, 160 Ma
Angulomastacator - Late Cretaceous, 76.9 Ma
Angustinaripterus - Middle Jurassic
Anhanguera - Albian, 112 Ma
Aniksosaurus - Late Cretaceous
Animantarx - 104.46-98.37 Ma
Ankylosaurus - Late Cretaceous, 68 Ma
Anningasaura - Early Jurassic, 201.3-199.6 Ma
Anodontosaurus - Late Cretaceous, 72.8-67 Ma
Anomocephalus - Middle Permian 260 Ma
Anomoiodon - Early Triassic, 249-247 Ma
Anoplosaurus - Early Cretaceous, 100 Ma
Anserimimus - Late Cretaceous, 70 Ma
Antarctopelta - Late Cretaceous, 74-70 Ma
Antarctosaurus - Late Cretaceous, 83 Ma
Antarctosuchus - Middle Triassic
Anteophthalmosuchus - Early Cretaceous, Barremian-Aptian
Anteosaurus - Capitanian, 266-260 Ma
Antetonitrus - Early Jurassic
Anthodon - Changhsingian, 254-252 Ma
Anthracodromeus - Late Carboniferous, 307.1-305 Ma
Anthracosaurus - Late Carboniferous, 310 Ma
Anurognathus - Late Jurassic, 150.8-148.5 Ma
Anzu - Late Cretaceous, 66 Ma
Aorun - Late Jurassic 161.5 Ma
Apachesaurus - Late Triassic, 228-208 Ma
Apatomerus - Early Cretaceous
Apatosaurus - Tithonian, 152-151 Ma
Aphrosaurus - Late Cretaceous, 70-66 Ma
Aplestosuchus - Late Cretaceous, Turonian-Santonian
Appalachiosaurus - Late Cretaceous, 77 Ma
Apsaravis - Late Cretaceous, 78 Ma
Apsisaurus - Early Permian
Apterodon - Mid Eocene-Oligocene
Aptychodon - Cretaceous
Aquila bullockensis - Middle Miocene 11-5 Ma
Aquilops - Early Cretaceous, 107 Ma
Arachana - Late Permian or Early Triassic
Araeoscelis - Artinskian, 284.4-275.6 Ma
Aragosaurus - Early Cretaceous, Hauterivian-Barremian
Aralazhdarcho - Late Cretaceous
Aralosaurus - Late Cretaceous, 85.8 Ma
Arambourgiania - Late Campanian-Maastrichtian
Arandaspis - 480-470 Ma Early Ordovician
Araripedactylus - Albian, 112 Ma
Araripesaurus - Albian, 112 Ma
Araripesuchus - Early - Late Cretaceous, 125 Ma
Archaeoceratops - Early Cretaceous, 125 Ma
Archaeoindris - Unavailable
Archaeoistiodactylus - Middle Jurassic, 160 Ma
Archaeolemur - Unavailable
Archaeonectrus - Jurassic
Archaeopteryx - Late Jurassic, 150.8-148.5 Ma
Archaeornithoides - Late Cretaceous, 75 Ma
Archaeornithomimus - Late Cretaceous, 70 Ma
Archaeosyodon - Middle Permian
Archaeotherium - Late Eocene to Early Oligocene,38-24.8 Ma
Archaeothyris - Late Carboniferous, 306 Ma
Archaeovenator - Late Carboniferous, 300 Ma
Archaerhineura - Paleocene, 57 Ma
Archelon - Late Cretaceous, 80.5 Ma
Archeopelta - Middle - Late Triassic, 230-225 Ma
Archeria - Early Permian
Arcovenator - Late Cretaceous, 74 Ma
Arctamphicyon - Unavailable
Arcticodactylus - Late Triassic, 208-201 Ma
Arctodus - Middle Pleistocene to Early Holocene, 1.8-0.010 Ma
Arctognathus - Permian
Arctops - Late Permian
Arcusaurus - Early Jurassic, Hettangian-Sinemurian
Arenysaurus - Late Cretaceous, 66 Ma
Arenysuchus - Late Cretaceous, 67.6 Ma
Arganaceras - Wuchiapingian, 260-254 Ma
Arganarhinus - Late Triassic, 221 Ma
Argentavis - Late Miocene, 6 Ma
Argentinosaurus - Late Cretaceous, 97-93.5 Ma
Argyrosaurus - Late Cretaceous 90 Ma
Aristonectes - Late Cretaceous
Aristosuchus - Early Cretaceous
Arizonasaurus - Middle Triassic, 243 Ma
Arkharavia - Late Cretaceous, 66 Ma
Armadillosuchus - Late Cretaceous
Arrhinoceratops - Early Maastrichtian, 70.6-70 Ma
Arsinoitherium - 36-27 Ma Late Eocene - Early Oligocene
Arthropterygius - Late Jurassic
Arthurdactylus - Albian
Artiocetus - early Lutetian
Ashleychelys - Oligocene
Ashorocetus - Chattian
Asiaceratops - Late Cretaceous, 99 Ma
Asiatosaurus - Early Cretaceous
Asilisaurus - Middle Triassic, 245 Ma
Aspidorhynchus - Middle Jurassic-Late Cretaceous
Aspidosaurus - Late Carboniferous - Early Permian
Asprosaurus - Late Cretaceous Santonian-Campanian
Astrapotherium - Early-Mid Miocene (Colhuehuapian-Laventan)~21.0-11.8 Ma
Astraspis - 467-443 Ma middle-late Ordovician
Astrodon - Early Cretaceous, 112 Ma
Astrohippus - 16.3-4.9 Ma Barstovian to Late Hemphillian[1]
Astrophocaudia - Early Cretaceous, 112 Ma
Asylosaurus - Late Triassic
Atacamatitan - Upper Cretaceous
Athabascasaurus - Lower Cretaceous, 112.6-109 Ma
Atlantochelys - Late Cretaceous, 83 Ma
Atlantosaurus - Late Jurassic, 150 Ma
Atlasaurus - Bathonian-Callovian
Atlascopcosaurus - Early Cretaceous,[1]114 Ma
Atolchelys - Cretaceous
Atopodentatus - Middle Triassic, 240 Ma
Atrociraptor - Late Cretaceous, 68.5 Ma
Atsinganosaurus - Late Cretaceous, 66 Ma
Attenborosaurus - Early Jurassic
Attockicetus - Eocene
Atychodracon - Late Triassic-Early Jurassic, 201 Ma
Aublysodon - Late Cretaceous, 75 Ma
Aucasaurus - Late Cretaceous, 83 Ma
Augustaburiania - Early Triassic, Olenekian
Augustasaurus - Middle Triassic
Augustynolophus - Late Cretaceous, 70 Ma
Aulophyseter - Mid-Late Miocene~15.97-5.332 Ma
Auroraceratops - Early Cretaceous, Aptian
Aurornis - Late Jurassic, 160 Ma
Aussiedraco - Early Cretaceous, Albian
Australobarbarus - Late Permian
Australodocus - Late Jurassic
Australosyodon - Middle Permian, 265 Ma
Australovenator - Late Cretaceous,[1] 95 Ma
Austriadactylus - Late Triassic, 215 Ma
Austriadraco - Late Triassic, 208 Ma
Austrocheirus - Cenomanian~96.2 Ma
Austroptyctodus - Late Frasnian
Austroraptor - Late Cretaceous, 70 Ma
Austrosaurus - Early Cretaceous, 110-105 Ma
Avaceratops - Late Cretaceous, 77 Ma
Avalonnectes - Early Jurassic, 199.6-198 Ma
Aviatyrannis - Late Jurassic, Kimmeridgian
Avimimus - Late Cretaceous, 70 Ma
Avitabatrachus - Middle Cretaceous, 99.6-93.5 Ma
Azendohsaurus - Late Triassic, 235-231 Ma
Azhdarcho - Late Cretaceous, 92 Ma
B (129 species)
Babakotia - Unavailable
Babiacetus - Middle Eocene
Babibasiliscus - Early Eocene, 48 Ma
Bactrosaurus - Late Cretaceous, 70 Ma
Bagaceratops - Late Cretaceous, 80 Ma
Bagaraatan - Late Cretaceous, 70 Ma
Baguatherium - Unavailable
Bahariasaurus - Late Cretaceous, 95 Ma
Bainoceratops - Unavailable
Bakonybatrachus - Late Cretaceous, Santonian
Bakonydraco - Late Cretaceous, Santonian
Balaur - Late Cretaceous, 70 Ma
Baldwinonus - Early Permian
Balochisaurus - Late Cretaceous, Maastrichtian
Bambiraptor - Late Cretaceous, 72 Ma
Banguela - Albian
Banji - Late Cretaceous, 66 Ma
Banksiops - Unavailable
Baotianmansaurus - Late Cretaceous
Barapasaurus - 196.5-183 Ma Early Jurassic
Barbatteius - Late Cretaceous (early Maastrichtian)
Barbourofelis - Late Miocene-Pliocene 13.6-5.3 Ma
Barcinosuchus - Early Cretaceous, Aptian-Albian
Barilium - Early Cretaceous, 140 Ma
Barosaurus - Late Jurassic, 152-150 Ma
Barracudasauroides - Middle Triassic, Anisian
Barreirosuchus - Late Cretaceous, Turonian-Santonian
Barrosasaurus - Late Cretaceous
Barsboldia - Late Cretaceous, 70 Ma
Barylambda - Middle Paleocene - Early Eocene, 60-50 Ma
Baryonyx - Early Cretaceous, 130-125 Ma
Barytherium - Late Eocene-Early Oligocene
Bashkyroleter - Middle Permian, Guadalupian
Bashuchelys - Middle Jurassic
Basilosaurus - Late Eocene
Basiloterus - Late Eocene
Bathygnathus - Early Permian, 270 Ma
Batrachognathus - Late Jurassic
Batrachotomus - Middle Triassic, 242-235 Ma
Batyrosaurus - Late Cretaceous
Bauria - Early Triassic, 251-246 Ma
Baurusuchus - Late Cretaceous, Turonian-Santonian
Baurutitan - Late Cretaceous
Bavarisaurus Bavarian lizard) - Late Jurassic
Bawitius - Cenomanian
Becklespinax - Early Cretaceous, 133 Ma
Beelzebufo - Late Cretaceous, 70 Ma
Beipiaopterus - Early Cretaceous, 124.6 Ma
Beipiaosaurus - Early Cretaceous, 124.6 Ma
Beishanlong - Early Cretaceous,[1] 115-100 Ma
Beishanodon - Early Triassic
Beiyanerpeton - Late Jurassic, 157 Ma
Belantsea - Lower Carboniferous
Belebey - Asselian-Guadalupian
Bellubrunnus - Late Jurassic, 151 Ma
Bellusaurus - Middle Jurassic, 170 Ma
Belodon - Triassic
Bennettazhia - Early Cretaceous, 100 Ma
Benthosuchus - Early Triassic
Bentonyx - Middle Triassic, Anisian
Berberosaurus - Pliensbachian, 185 Ma
Bergamodactylus - Late Triassic, 216-211 Ma
Bernissartia - Early Cretaceous, 130 Ma
Berycopsis - Late Cretaceous
Besanosaurus - Middle Triassic, 247.2-235.0 Ma[1]
Betasuchus - Late Cretaceous, 66 Ma
Biarmosuchus - Wordian, 267 Ma
Bicentenaria - Late Cretaceous, 90 Ma
Bienosaurus - Early Jurassic
Bienotherium - Early Jurassic
Bihariosaurus - Berriasian of the Cretaceous
Bissektipelta - Unavailable
Bistahieversor - Late Cretaceous, 74.5 Ma
Blasisaurus - Late Cretaceous, 66 Ma
Blikanasaurus - Late Triassic
Bogolubovia - Late Cretaceous
Bolong - Early Cretaceous, 125 Ma
Bonapartenykus - Late Cretaceous, 70 Ma[1]
Bonatitan - Cretaceous, Late Campanian-Early Maastrichtian
Bonitasaura - Late Cretaceous, 85 Ma
Bonnerichthys - Late Cretaceous, 87-81 Ma
Borealonectes - Middle Jurassic
Borealosaurus - Late Cretaceous, 95-90 Ma
Borealosuchus - Late Cretaceous-Eocene
Boreaspis - Pragian-Emsian
Boreopterus - Early Cretaceous, 124.6 Ma
Borhyaena - Early Miocene (Santacrucian)~17.5-15.5 Ma [1]
Borogovia - Late Cretaceous, 70 Ma
Borophagus - Middle Miocene to Late Pliocene, 12-2 Ma
Bothriolepis - Late Devonian~387-360 Ma
Bothriospondylus - Late Jurassic, 157-152.2 Ma
Brachauchenius - Late Cretaceous, 93-89.3 Ma
Brachiosaurus - Late Jurassic, 154-153 Ma
Brachyceratops - Late Cretaceous, 74.5 Ma
Brachychampsa - 83.5-63.3 Ma Late Cretaceous - Early Paleocene
Brachycyon - 23.3-7 Ma Early Miocene - Middle Miocene
Brachygnathosuchus - Pliocene
Brachyhyops - Middle to Late Eocene
Brachylophosaurus - Late Cretaceous, 78 Ma
Brachyprosopus - Middle Permian, 270-260 Ma
Brachypterygius - Late Jurassic, Kimmeridgian-Tithonian
Brachysuchus - Late Triassic, Carnian
Brachytrachelopan - Late Jurassic
Bradysaurus - Capitanian, 265-260 Ma
Brancasaurus - Berriasian
Branisella - Late Oligocene-Early Miocene (Deseadan)~29.0-21.0 Ma
Brasileodactylus - Early Cretaceous, 112 Ma
Brasilitherium - Late Triassic, 240-200 Ma
Brasilodon - Late Triassic
Brazilosaurus - Early Permian, 284-279.5 Ma
Breviceratops - Unavailable
Brindabellaspis - Early Devonian
Brithopus - Middle Permian, Ufimian
Brodavis - Late Cretaceous, 80.5 Ma
Brohisaurus - Late Jurassic
Bromsgroveia - Middle Triassic
Brontochelys - Unavailable
Brontomerus - Lower Cretaceous, Aptian-Albian
Brontornis - Miocene
Brontosaurus - Late Jurassic, 155-151 Ma
Broomicephalus - Permian
Broomisaurus - Permian
Bruhathkayosaurus - Late Cretaceous, 70 Ma
Brygmophyseter - Miocene
Buitreraptor - Late Cretaceous, 94 Ma
Bullacephalus - Late Permian
Bullockornis - Middle Miocene
Burnetia - Late Permian
Byronosaurus - Late Cretaceous, 80-75 Ma
C (211 species)
Cachiyacuy - Middle Eocene (Divisaderan)~41 Ma
Cacibupteryx - Late Jurassic, 156 Ma
Cacops - Early Permian, Kungurian
Caenagnathasia - Late Cretaceous, 90 Ma
Caiman wannlangstoni - Mid-Late Miocene (Laventan-Montehermosan)~13.8-5.332 Ma
Calcarichelys - Early Cretaceous-Late Cretaceous,[1][2] 120-70 Ma
Californosaurus - 228-210 Ma Late Triassic
Callawayasaurus - Early Cretaceous, Aptian
Callawayia - Late Triassic, 221.5-212.0 Ma[1]
Callovosaurus - Middle Jurassic, approximately 163 Ma
Calsoyasuchus - Early Jurassic, 196.5 Ma
Camarasaurus - Late Jurassic, 155-145 Ma
Camarillasaurus - Early Cretaceous
Camelops - Late Pliocene to Early Holocene, 2.5-0.010 Ma
Camelotia - Late Triassic-Early Jurassic
Camposaurus - Late Triassic, 220 Ma
Camptosaurus - Late Jurassic
Campylodoniscus - Late Cretaceous, 95 or 70
Campylognathoides - Early Jurassic, 182 Ma
Canaanimys - Mid Eocene (Divisaderan)~41 Ma
Canis apolloniensis - Early Pleistocene 1.9-1.6 Ma
Canis armbrusteri - Middle Pleistocene-Late Pleistocene
Canis dirus - Late Pleistocene - early Holocene (125,000-9,000 years ago)
Canis edwardii - Blancan-Irvingtonian
Canis falconeri - Unavailable
Canis ferox - Late Miocene to Early Pliocene, 10.9-5.8 Ma
Canis lepophagus - Late Miocene-Early Pleistocene
Canobius - Early Carboniferous
Captorhinus - Cisuralian, 280-270.6 Ma
Carbonemys - Mid-Late Paleocene (Peligran-Itaboraian)~60-58 Ma
Carcharocles/Carcharodon angustidens - Oligocene - Miocene
Carcharocles/Carcharodon auriculatus - Oligocene - Miocene
Carcharocles/Carcharodon chubutensis - Oligocene - Pliocene
Carcharodon hubbelli - Late Miocene
Carcharodontosaurus - Early-Late Cretaceous, 112-93.5 Ma
Cardabiodon - Late Cretaceous
Cargninia - Late Triassic, Carnian-Norian
Caribemys - Oxfordian
Carinodens - Late Cretaceous
Caririsuchus - Early Cretaceous
Carniadactylus - Late Triassic, 228 Ma
Carnotaurus - Late Cretaceous (Lower Maastrichtian), 72-69.9 Ma
Carnufex - Late Triassic, 231 Ma
Carolinacetus - Middle Eocene
Carsosaurus - 100 Ma Late Cretaceous
Cartorhynchus - Early Triassic, 248 Ma
Caryonosuchus - Late Cretaceous
Casea - Early Permian
Caseosaurus - Late Triassic
Casineria - Early Carboniferous, 340 Ma
Castoroides - Late Pliocene - Late Pleistocene, 3-0.011 Ma
Cathartesaura - Cenomanian, 97-93 Ma
Cathayopterus - Early Cretaceous, 122 Ma
Caudipteryx - Early Cretaceous, 124.6 Ma
Caulkicephalus - Early Cretaceous, 130 Ma
Caviramus - Late Triassic, 205 Ma
Caypullisaurus - Late Jurassic - Early Cretaceous, Tithonian-Berriasian
Cearadactylus - Aptian-Albian, 112 Ma
Cedarosaurus - Early Cretaceous, 126 Ma
Cedarpelta - Early Cretaceous, 116-109 Ma
Cedrorestes - Early Cretaceous, Barremian
Celtedens - Late Jurassic - Late Cretaceous
Centenariosuchus - Early-Mid Miocene (Hemingfordian)~20.43-15.97 Ma
Centrosaurus - Late Cretaceous, 76.5-75.5 Ma
Cephalaspis - Early Devonian 415-398 Ma
Cerasinops - Late Cretaceous
Cerataelurus - Unavailable
Ceratodus - 228-55 Ma Late Triassic-Eocene
Ceratogaulus - Late Miocene-Pleistocene
Ceratonykus - Late Cretaceous
Ceratosaurus - Late Jurassic, 153-148 Ma
Cerberophis - Maastrichtian of the Cretaceous
Cerdodon - Unavailable
Cerdorhinus - Permian
Cerrejonemys - Mid-Late Paleocene (Peligran-Itaboraian)~60-58 Ma
Cerrejonisuchus - Mid-Late Paleocene (Peligran-Itaboraian)~60-58 Ma
Cervalces - Pliocene-Pleistocene
Cetarthrosaurus - Cretaceous, 99.6 Ma
Cetiosauriscus - Middle Jurassic, 166-164 Ma
Cetiosaurus - Middle Jurassic, 167 Ma
Chalicotherium - Late Oligocene-Early Pliocene
Champsosaurus - Late Cretaceous-Eocene
Chanaresuchus - Middle Triassic, 236-234 Ma
Changchengopterus - Late Jurassic, 160 Ma
Changyuraptor - Early Cretaceous, 125 Ma
Chaoyangopterus - Early Cretaceous, 120 Ma
Chaoyangsaurus - Late Jurassic, 148 Ma
Charitosaurus - Unavailable
Charonosaurus - Late Cretaceous, 66 Ma
Charruodon - Middle Triassic-Late Triassic
Chasmosaurus - Late Cretaceous, 76.5-75.5 Ma
Chebsaurus - Mid to Late Jurassic
Cheirolepis - Middle Devonian-Late Devonian
Chelosphargis - Late Cretaceous, 83 Ma
Chialingosaurus - 160 Ma
Chiayusaurus - Late Jurassic-Early Cretaceous
Chilantaisaurus - Late Cretaceous, 92 Ma
Chilesaurus - Late Jurassic145 Ma
Chilotherium - Late Miocene-Pliocene
Chindesaurus - Late Triassic, 235-210 Ma
Chiniquodon - Middle Triassic
Chinlea - 228.0-203.6 Ma Late Triassic
Chinshakiangosaurus - Early Jurassic
Chirostenotes - Late Cretaceous, 76.5 Ma
Chlynovia - Late Permian
Chondrosteosaurus - Early Cretaceous
Chonecetus - Oligocene
Chriacus - Early Paleocene-Early Eocene
Chromogisaurus - Late Triassic, 230 Ma
Chrysocetus - Eocene
Chthonophis - Early Paleocene
Chuandongocoelurus - Middle Jurassic, 165 Ma
Chuanjiesaurus - Middle Jurassic, 168 Ma
Chubutisaurus - Early Cretaceous, Albian
Chunerpeton - Middle or Late Jurassic, 164 Ma
Chungkingosaurus - 160 Ma
Chupacabrachelys - Late Cretaceous, Campanian
Chuxiongosaurus - Early Jurassic
Cimoliasaurus - Early to Late Cretaceous
Cimolichthys - 83.5-70.6 Ma Late Cretaceous[1]
Cionodon - Late Cretaceous, 66 Ma
Circus dossenus - Unavailable
Circus eylesi - Unavailable
Cistecephalus - Wuchiapingian, 259.8-254.1 Ma
Citipati - Late Cretaceous, 84-75 Ma
Cladoselache - Late Devonian
Claosaurus - Late Cretaceous, 87-82 Ma
Clelandina - Late Permian 259-254 Ma
Clepsydrops - Carboniferous
Clevosaurus - Late Triassic-Early Jurassic
Clidastes - Late Cretaceous
Climatius - Late Silurian-Early Devonian
Coahuilaceratops - Late Cretaceous, 72.5-71.4 Ma
Cobelodus - Carboniferous
Coccosteus - Middle Devonian-Late Devonian
Cochleosaurus - Moscovian 310 Ma
Coelodonta - 3.7-0.01 Ma Pliocene - Pleistocene
Coelophysis - Late Triassic-Early Jurassic, 203-196 Ma
Coelurosauravus - Lopingian, 260.4-251 Ma
Coelurus - Late Jurassic, 153-150 Ma
Colepiocephale - Late Cretaceous, 80-77.5 Ma
Collilongus - Early Triassic
Colobodectes - Middle Permian
Coloborhynchus - Early Cretaceous, 140-136 Ma
Colombophis - Middle to Late Miocene
Colossochelys - Miocene-Pleistocene
Colosteus - Late Carboniferous, 307.1-305 Ma
Colymbosaurus - Callovian to late Tithonian
Comahuesaurus - Early Cretaceous, Aptian-Albian
Comahuesuchus - Late Cretaceous, 85 Ma
Comodactylus - Late Jurassic, 155 Ma
Compsodon - Upper Permian
Compsognathus - Late Jurassic, 150.8 Ma
Compsosuchus - Late Cretaceous, 69 Ma
Concavenator - Early Cretaceous, 130 Ma
Concavispina - Late Triassic, Carnian
Conchoraptor - Late Cretaceous
Condorchelys - Middle Jurassic, 170 Ma
Condorraptor - Middle Jurassic
Confuciusornis - Early Cretaceous, 125-120 Ma
Contectopalatus - Mid Triassic, 247.2-235.0 Ma[1]
Coringasuchus - Late Cretaceous
Corosaurus - Early Triassic, 247.4-245 Ma
Coryphodon - Late Paleocene - Middle Eocene, 57-46 Ma
Corythosaurus - Late Cretaceous, 77-75.7 Ma
Cotylorhynchus - Kungurian, 279.5-272 Ma
Craspedodon - 85 Ma
Crassigyrinus - Visean 345.3-328.3 Ma
Cratochelone - Albian
Cretolamna - Barremian - Miocene [1]
Cretoxyrhina - Late Cretaceous, 100-82 Ma
Crichtonsaurus - Late Cretaceous, Cenomanian-Turonian
Criocephalosaurus - Capitanian
Cristatusaurus - Unavailable
Crocodylus anthropophagus - 1.84 Ma
Crocodylus falconensis - Early Pliocene (Montehermosan-Chapadmalalan)~5.332-3.6 Ma
Crocodylus thorbjarnarsoni - Pliocene - Pleistocene, 4.2-2.0 Ma
Crocuta crocuta spelaea - Middle to Late Pleistocene, 0.5-0.011 Ma
Cronopio - Late Cretaceous, 99.6-96 Ma
Crusafontia - Barremian
Cruxicheiros - Middle Jurassic, 167 Ma
Cryolophosaurus - Early Jurassic, 194-188 Ma
Cryopterygius - Late Jurassic, Tithonian
Cryptoclidus - Middle Jurassic, 166-164 Ma
Cryptocynodon - Unavailable
Cryptosaurus - Late Jurassic
Cteniogenys - Middle Jurassic-Late Cretaceous
Cteniosaurus - Unavailable
Ctenochasma - Late Jurassic to Cretaceous150-145 Ma
Ctenorhachis - Early Permian, Artinskian
Ctenosauriscus - Early Triassic, 247.5-247.2 Ma
Ctenospondylus - Early Permian Artinskian-Kungurian
Ctenurella - Late Devonian
Culebrasuchus - Early-Mid Miocene (Hemingfordian)~20.6-16.3 Ma
Cumnoria - Upper Jurassic, Kimmeridgian
Cuspicephalus - Late Jurassic, 155.7-153 Ma
Cuvieronius - Pliocene-Holocene (Blancan-Rancholabrean (NALMA) & Montehermosan-Lujanian (SALMA)~4.9-0.0134 Ma
Cyamodus - Middle Triassic 247-235 Ma
Cyclotosaurus - Late Triassic
Cycnorhamphus - Late Jurassic, 152 Ma
Cymatosaurus - Early-Middle Triassic, 247.5-237 Ma
Cymbospondylus - 240-210 Ma Between the Middle and Late Triassic
Cynelos - 23.3-7 Ma Early Miocene - Middle Miocene
Cynodictis - Late Eocene-Early Oligocene
Cynodontosuchus - Late Cretaceous, Coniacian-Santonian
Cynognathus - Early - Middle Triassic, 247-237 Ma
Cynosaurus - Late Permian, 265.1-254.17 Ma
Cynthiacetus - Late Eocene~37.2-33.9 Ma
Cyonosaurus - Late Permian
Cypretherium - Chadronian
Czatkowiella - Early Triassic
D (154 species)
Daanosaurus - Late Jurassic
Dacentrurus - Late Jurassic, 154-150 Ma
Dactylosaurus - Lower and Middle Triassic (Olenekian to Anisian)
Dadadon - Middle Triassic
Daemonosaurus - Late Triassic, Rhaetian
Daeodon - 29-19 Ma Late Oligocene - Early Miocene
Dagasuchus - Middle Triassic, 235 Ma
Dahalokely - Turonian~94.3-89.3 Ma
Dakosaurus - Late Jurassic - Early Cretaceous,157-137 Ma
Dakotadon - Early Cretaceous, Barremian
Dakotaraptor - Late Cretaceous, 66 Ma
Dalianraptor - Early Cretaceous, 120 Ma
Dalingheornis - Early Cretaceous, 122 Ma
Dallasaurus - 92 Ma Late Cretaceous
Damalborea - Middle Pliocene
Daohugoupterus - Bathonian to Oxfordian,[1] 164 Ma
Daphoenictis - Unavailable
Daphoenodon - Unavailable
Daphoenus - 42-16.3 Ma Middle Eocene-Early Miocene
Dapingfangornis - Early Cretaceous, 120 Ma
Daptocephalus - Late Permian
Dartmuthia - Late Silurian
Darwinopterus - Middle Jurassic, 160.89-160.25 Ma
Dashanpusaurus - Jurassic
Daspletosaurus - Late Cretaceous, 77-74 Ma
Datanglong - Early Cretaceous
Datousaurus - Middle Jurassic
Dawndraco - Late Cretaceous, 86 Ma
Dawsonicyon - Middle Eocene
Daxiatitan - Early Cretaceous, 122.6 Ma
Dearcmhara - Jurassic, 183.0-168.4 Ma[1]
Deccanodon - Late Triassic
Decuriasuchus - Middle Triassic, 240-235 Ma
Deinocheirus - Late Cretaceous, 71-69 Ma
Deinogalerix - Late Miocene 10-5 Ma
Deinonychus - Early Cretaceous, 115-108 Ma
Deinosuchus - Late Cretaceous, 82-73 Ma
Deinotherium - Middle Miocene-Early Pleistocene
Delapparentia - 130-127 Ma
Delectosaurus - Late Permian
Delphaciognathus - Unavailable
Delphyodontos - Bashkirian
Deltadromeus - Late Cretaceous, 95 Ma
Deltaherpeton - 330 Ma
Deltavjatia - Capitanian, 260 Ma [1]
Deltoptychius - Early Carboniferous-Late Carboniferous
Demandasaurus - Early Cretaceous, 125 Ma
Dendrorhynchoides - Middle Jurassic, 164 Ma
Desmatosuchus - Late Triassic, 228-210 Ma
Desmostylus - Oligocene-Miocene
Deuterosaurus - Capitanian
Devincenzia - Late Miocene - Early Pliocene
Diabloceratops - Late Cretaceous, 79.9 Ma
Diacodexis - Early Eocene
Diadectes - Artinskian-Kungurian 290-272 Ma
Diademodon - Middle Triassic
Diadiaphorus - Early-Late Miocene (Santacrucian-Huayquerian)~17.5-6.8 Ma
Diaelurodon - Unavailable
Diamantinasaurus - Late Cretaceous, 93.9 Ma
Dianchungosaurus - Sinemurian 195.5-189.6 Ma
Diandongosuchus - Middle Triassic
Dicraeosaurus - Late Jurassic, 155-150 Ma
Dicynodon - Changhsingian, 253.8-251 Ma
Dicynodontoides - Late Permian, 260-251 Ma
Didelphodon - Late Cretaceous,[1] 73 Ma
Diegocanis - Late Triassic
Digalodon - Permian 299-252 Ma
Diictodon - Wuchiapingian, 259.8-254.1 Ma
Dilambdogale - 37.2 Ma Late Eocene
Dilong - Early Cretaceous, 125-124.6 Ma
Dilophosaurus - Early Jurassic, 193 Ma
Dimacrodon - Lower Permian
Dimaitherium - Priabonian Age, Upper Eocene Epoch
Dimetrodon - Cisuralian, 295-272 Ma
Dimorphodon - Early Jurassic, 195-190 Ma
Dinaelurus - Late Eocene-Late Oligocene
Dinailurictis - Unavailable
Dinanomodon - Late Permian
Dinheirosaurus - Late Jurassic, early Tithonian
Dinichthys - Late Devonian, 380-360 Ma
Dinictis - Late Eocene to Early Miocene, 37.2-20.4 Ma
Dinocephalosaurus - Anisian, 244 Ma
Dinocrocuta - Middle Miocene-Late Miocene
Dinodontosaurus - Middle Triassic-Late Triassic
Dinofelis - Pliocene-Pleistocene, 5-1.2 Ma
Dinogorgon - Late Permian 259-254 Ma
Dinohippus - Late Miocene-Late Pliocene
Dinopithecus - Pliocene
Dinosuchus - Late Miocene-Late Pliocene (Montehermosan-Uquian)~5.332-2.588 Ma [1]
Diorocetus - Miocene
Diplocaulus - 299-251 Ma Early to Late Permian
Diplocynodon - Paleocene-Middle Eocene
Diplodocus - Late Jurassic, 154-152 Ma
Diplomystus - Hauterivian (Early Cretaceous) to early Eocene, 136.4-48 Ma
Diplovertebron - Late Carboniferous
Dipnorhynchus - Early to Late Devonian
Diprotodon - Pleistocene, 1.6-0.046 Ma
Dipterus - 376.1-208.7 Ma Late Devonian-Late Triassic
Discosaurus - Late Cretaceous, 80.5 Ma
Dissopsalis - Middle Miocene-Late Miocene
Diunatans - Early Pliocene
Djupedalia - Late Jurassic
Docodon - Upper Jurassic
Docofossor - Middle Jurassic
Doedicurus - Pleistocene-Holocene (Uquian-Lujanian)~2-0.011 Ma [note 1]
Dolerosaurus - Late Triassic, 231-228 Ma
Dolichorhynchops - Late Cretaceous, 93.5-70.6 Ma
Dolichosaurus - Upper Cretaceous
Doliosauriscus - Unavailable
Dollosaurus - Late Cretaceous
Domeykodactylus - Early Cretaceous
Dongbeititan - Early Cretaceous, 125 Ma
Dongyangopelta - Cretaceous, 113-93.9 Ma
Dongyangosaurus - Late Cretaceous
Dormaalocyon - Early Eocene
Dorudon - Late Eocene
Doryaspis - Early Devonian
Dorygnathus - Early Jurassic, 180 Ma
Doswellia - Late Triassic, 220 Ma
Draconyx - Late Jurassic, Tithonian
Dracopelta - Unavailable
Dracoraptor - Early Jurassic, 201-199 Ma
Dracorex - Late Cretaceous, 66 Ma
Dracovenator - Early Jurassic, 201-199 Ma
Drassonax - Oligocene
Dravidosaurus - Late Cretaceous
Dreadnoughtus - Late Cretaceous, 75 Ma
Drepanaspis - Early Devonian
Drepanosaurus - Late Triassic
Drinker - Late Jurassic
Driveria - Unavailable
Dromaeosauroides - Early Cretaceous, 140 Ma
Dromaeosaurus - Late Cretaceous, 76.5-74.8 Ma
Dromomeron - Late Triassic, 220-211.9 Ma
Dromornis - Late Miocene - Early Pliocene
Drusilasaura - Upper Cretaceous, Cenomanian-Turonian
Dryadissector - Late Cretaceous, 80-82 Ma
Dryopithecus - 12-9 Ma Miocene
Dryosaurus - Late Jurassic, 155-145 Ma
Dryptosaurus - Late Cretaceous, 67 Ma
Dsungaripterus - Early Cretaceous
Dubreuillosaurus - Middle Jurassic, 168-166 Ma
Duerosuchus - Middle Eocene
Duffinselache - Late Triassic, Rhaetian
Dunkleosteus - Frasnian-Famennian, 382-358 Ma
Dunyu - Silurian, Ludlow
Duriatitan - Late Jurassic
Duriavenator - Middle Jurassic, 170 Ma
Dvellecanus - Early Permian
Dvinia - Late Permian, 254 Ma
Dyoplosaurus - Late Cretaceous, 76.5 Ma
Dyrosaurus - Late Cretaceous to Eocene, 90-40 Ma
Dyslocosaurus - Late Jurassic
Dystrophaeus - Late Jurassic, 154.8 Ma
E (142 species)
Eastmanosteus - Middle to Late Devonian
Echinochimaera - Upper Mississippian, 318.1-328.3 Ma
Echinodon - Early Cretaceous, 140 Ma
Ecteninion - Late Triassic
Ectenosaurus - 100 Ma Late Cretaceous
Edaphosaurus - Late Carboniferous - Early Permian, 300-280 Ma
Edestus - Late Carboniferous
Edgarosaurus - Early Cretaceous
Edmarka - Late Jurassic, 153-148 Ma
Edmontonia - Late Cretaceous, 76.5-69 Ma
Edworthia - 61.5 Ma Early Paleocene
Effigia - Rhaetian Late Triassic
Efraasia - Late Triassic, 210 Ma
Eidolosaurus - 100 Ma Late Cretaceous
Einiosaurus - Upper Cretaceous, 74.5-74 Ma
Ekorus - Late Miocene (6 MYA)
Ekrixinatosaurus - Late Cretaceous, 98 Ma
Elaltitan - Late Cretaceous, 96.5-89.3 Ma
Elanodactylus - Early Cretaceous, 124.6 Ma
Elaphrosaurus - Late Jurassic, 154-150 Ma
Elasmosaurus - Late Cretaceous, 80.5 Ma
Elasmotherium - Late Pliocene to Late Pleistocene, 2.588-0.029 Ma
Elbretornis - Late Cretaceous, 70 Ma
Elegestolepis - Late Silurian
Elginerpeton - Late Devonian, 375 Ma
Elginia - Changhsingian, 254-252 Ma
Elliotherium - Upper Triassic
Elliotsmithia - Late Permian
Elmisaurus - Late Cretaceous, 70 Ma
Elrhazosaurus - Early Cretaceous, approximately 115 Ma
Emausaurus - Early Jurassic, Toarcian
Embasaurus - Early Cretaceous
Embolotherium - Late Eocene
Embrithosaurus - Capitanian, 265-260 Ma
Emeroleter - Late Permian, Wuchiapingian
Emydochampsa - Unavailable
Emydops - Middle - Late Permian
Emydorhinus - Unavailable
Emydorhynchus - Unavailable
Emyduranus - Unavailable
Enaliarctos - Late Oligocene - Early Miocene, 24-22 Ma
Enantiophoenix - Late Cretaceous, 95 Ma
Enchodus - Late Cretaceous-Eocene
Endothiodon - Wuchiapingian, 259-254 Ma
Enigmosaurus - Late Cretaceous, 93 Ma
Ennatosaurus - 265-254 Ma
Entelodon - 37.2-28.4 Ma Houldjinian-Rupelian
Entelognathus - Late Ludlow
Eoabelisaurus - Middle Jurassic
Eoalulavis - Early Cretaceous, 125 Ma
Eoarctops - Middle Permian, Capitanian
Eoazhdarcho - Early Cretaceous, 120 Ma
Eobasileus - Late Eocene
Eobothus - Middle Eocene
Eocaecilia - Early Jurassic, 199.6-175.6 Ma
Eocaiman - Early Paleocene-Late Miocene (pre-Tiupampan-Montehermosan)~66-5.3 Ma
Eocarcharia - Early Cretaceous, 112 Ma
Eocasea - Late Carboniferous, 300 Ma
Eocetus - Middle Eocene
Eoconfuciusornis - Early Cretaceous, 131 Ma
Eocursor - Late Triassic or Early Jurassic
Eocyclotosaurus - Middle Triassic
Eodortoka - Aptian of the Cretaceous
Eodromaeus - Late Triassic, 231.4-229 Ma
Eoentelodon - Middle Eocene
Eofelis - Eocene-Miocene
Eogyrinus - Moscovian 311.7-306.5 Ma
Eoherpeton - Early CarboniferousVisean-Namurian
Eohupehsuchus - Lower Triassic, 247.2 Ma
Eohyosaurus - Middle Triassic, 246 Ma
Eolambia - Late Cretaceous, 96.7 Ma
Eomaia - Early Cretaceous, 125 Ma
Eomamenchisaurus - Middle Jurassic
Eomanis - Early Eocene
Eomysticetus - Chattian
Eonatator - Late Cretaceous 84-72.1 Ma
Eoneustes - Bajocian - Bathonian, 168.5-167 Ma
Eoplesiosaurus - Early Jurassic, 199.6-198 Ma
Eopolycotylus - Unavailable
Eopteranodon - Early Cretaceous, 124.6 Ma
Eoraptor - Late Triassic, 231-228 Ma
Eosimops - Middle Permian
Eosinopteryx - Late Jurassic, 160 Ma
Eosipterus - Early Cretaceous, 124.6 Ma
Eothyris - Early Permian,[1] Artinskian
Eotitanosuchus - Wordian, 267 Ma
Eotrachodon - Late Cretaceous, 86-83.6 Ma
Eotriceratops - Late Cretaceous, 68-67.6 Ma
Eotyrannus - Early Cretaceous, 130 Ma
Eousdryosaurus - Late Jurassic, 152 Ma
Epachthosaurus - Late Cretaceous, 95-90 Ma
Epichirostenotes - Late Cretaceous, 72 Ma
Epicyon - Early Miocene-Late Miocene
Epidexipteryx - Oxfordian, 160 Ma
Epihippus - 46.2-38.0 Ma Early Uintan to Duchesnean[1]
Equijubus - Early Cretaceous, 125 Ma
Equus simplicidens - Middle Pliocene to Late Pleistocene
Erectopus - 112 Ma
Eremiasaurus - Late Cretaceous
Eremotherium - Late Pliocene - Early Holocene, 4.9-0.011 Ma
Eretmorhipis - Early Triassic
Ericiolacerta - Early Triassic
Eriphostoma - Middle Permian, Capitanian
Erketu - Early Cretaceous
Erlianomys - Early Eocene
Erliansaurus - Late Cretaceous, c 85 ma.
Erlikosaurus - Late Cretaceous, 90 Ma
Eromangasaurus - Early Cretaceous, 103 Ma
Erpetonyx - Pennsylvanian, 303.7-289.9 Ma
Erpetosuchus - Late Triassic Carnian-Norian
Eryops - Pennsylvanian-Cisuralian, 300-295 Ma
Erythrosuchus - 250-230 Ma Early to Middle Triassic
Eshanosaurus - Early Jurassic, 196 Ma
Estemmenosuchus - Middle Permian, 267 Ma
Estesia - Late Cretaceous
Euchambersia - Cistecephalus Assemblage Zone (Wuchiapingian), 256-255 Ma
Euclastes - Unavailable
Eucnemesaurus - Late Triassic, 228 Ma
Eucoelophysis - Late Triassic, 228-208 Ma
Eucritta - Visean 345.3-330.9 Ma
Eucyon - Late Miocene- Late Pliocene, 10.3-3.6 Ma
Eudibamus - Early Permian, 284-279.5 Ma
Eudimorphodon - Late Triassic, 210-203 Ma
Euhelopus - Early Cretaceous, 129-113 Ma
Eumetabolodon - Early-Middle Triassic, 251-244 Ma
Eunotosaurus - Middle Permian, 265.8-251 Ma
Euoplocephalus - Late Cretaceous, 76.4-75.6 Ma
Euparkeria - Middle Triassic
Eurazhdarcho - Late Cretaceous
Eurhinodelphis - Middle Miocene-Late Miocene
Eurhinosaurus - Early Jurassic, 183-175 Ma
Euroamphicyon - Miocene
Europasaurus - Late Jurassic, 154 Ma
Europejara - Early Cretaceous
Eurotamandua - Early to Middle Eocene
Eurychororhinus - Unavailable
Euskelosaurus - Late Triassic
Eusmilus - Late Eocene to Early Oligocene, 37.2-28.4 Ma
Eusthenopteron - Late Devonian, 385 Ma
Eustreptospondylus - Middle Jurassic, 162 Ma
Exaeretodon - Middle Triassic-Late Triassic
Excalibosaurus - Early Jurassic, 196.5-189.6 Ma[1]
F (24 species)
Fabrosaurus - Early Jurassic, 199-189 Ma
Fadenia - Permian
Falcarius - Early Cretaceous, 126 Ma
Falcatus - 335-318 Ma Middle Visean - Late Serpukhovian
Fasolasuchus - Late Triassic, 217-215 Ma
Faxinalipterus - Late Triassic (Carnian-Norian), 220-215 Ma
Fedexia - Late Pennsylvanian, 300 Ma
Feilongus - Early Cretaceous, 124.6 Ma
Ferganasaurus - Unavailable
Ferganocephale - Middle Jurassic, 162 Ma
Fodonyx - Middle Triassic, Anisian
Fosterovenator - Late Jurassic, 155-147 Ma
Foxemys - Unavailable
Francosuchus - Late Triassic, 231-228 Ma
Fresnosaurus - Late Cretaceous, 70-66 Ma
Fruitadens - Late Jurassic, 150 Ma
Fruitafossor - Late Jurassic, Kimmeridgian-Tithonian
Fukuiraptor - Early Cretaceous, 128 Ma
Fukuisaurus - Early Cretaceous, Barremian
Fukuititan - Early Cretaceous, Barremian
Fukuivenator - Early Cretaceous, 120 Ma
Fulgurotherium - Early Cretaceous
Fusuisaurus - Early Cretaceous
Futalognkosaurus - Late Cretaceous, 87 Ma
G (103 species)
Galadi - Oligocene - Miocene
Galeamopus - Late Jurassic, 155-152.9 Ma
Galechirus - Late Permian
Galeops - Permian
Galepus - Permian
Galesaurus - Induan-Olenekian, 252.17-247.2 Ma
Galesuchus - Middle Permian, Capitanian
Gallardosaurus - Oxfordian
Gallimimus - Late Cretaceous, 70 Ma
Galveosaurus - Barremian 130 Ma
Gamerabaena - Late Cretaceous
Gandakasia - Early Eocene, 49 Ma
Ganzhousaurus - Late Cretaceous, Maastrichtian
Gargoyleosaurus - Late Jurassic, 154-150 Ma
Garjainia - Early Triassic, Olenekian
Garudimimus - Late Cretaceous,[1] 98-83 Ma
Gasosaurus - Middle Jurassic, 164 Ma
Gasparinisaura - 85 Ma
Gasparinisuchus - Late Cretaceous, 85.8-77.5 Ma
Gastonia - Early Cretaceous, 126 Ma
Gastornis - Paleocene - Eocene, 56-45 Ma
Gaviacetus - Middle Eocene
Gegepterus - Early Cretaceous, 124.6 Ma
Geikia - Late Permian-Early Triassic
Geminiraptor - Early Cretaceous, 130 Ma
Gemuendina - Emsian
Genyodectes - Early Cretaceous, 112 Ma
Genyornis - Late Pleistocene
Georgiacetus - Middle Eocene
Geosaurus - Late Jurassic-Early Cretaceous, 150-136 Ma
Gephyrosaurus - Late Triassic-Early Jurassic, Rhaetian-195
Gephyrostegus - Late Carboniferous
Geranosaurus - Early Jurassic
Germanodactylus - Late Jurassic
Gerrothorax - Ladinian-Rhaetian (Middle-Late Triassic)
Giganotosaurus - Late Cretaceous, 97 Ma
Gigantophis - Priabonian, 37-35 Ma
Gigantopithecus - Late Miocene to Mid Pleistocene~9-0.1 Ma
Gigantoraptor - Late Cretaceous, 85 Ma
Gigantosaurus - Unavailable
Gigantspinosaurus - Late Jurassic
Gilchristosuchus - Late Cretaceous
Gillicus - 100 Ma Late Cretaceous
Gilmoreosaurus - Early - Late Cretaceous, 70 Ma
Ginsburgsmilus - Miocene
Giraffatitan - Late Jurassic, 150-145 Ma
Glacialisaurus - Early Jurassic 189-183 Ma
Gladiobranchus - Lochkovian of the Devonian
Gladioserratus - Valanginian-Danian
Gladocephaloideus - Early Cretaceous, 121 Ma
Glanosuchus - Late Permian
Glishades - Late Cretaceous, 74.5 Ma
Globidens - Late Cretaceous, 84.9.043 Ma
Glochinodontoides - Unavailable
Glossotherium - Late Pliocene to Early Holocene, 2.5-0.010 Ma
Glyptodon - Pleistocene 2.500-0.011 Ma
Gnathabelodon - Middle Miocene-Late Miocene
Gnathosaurus - Late Jurassic
Gnatusuchus - Mid Miocene (Laventan)~13 Ma
Gobiatherium - Middle Eocene
Gobiceratops - Late Cretaceous
Gobiconodon - Middle Jurassic-Late Cretaceous 166-94 Ma
Gobipteryx - Late Cretaceous, 72 Ma
Gobisaurus - Late Cretaceous, 92 Ma
Gobititan - Barremian, 129-125 Ma
Gobivenator - Late Cretaceous, 72 Ma
Godavarisaurus - Early Jurassic [1]
Gogonasus - Late Devonian
Gojirasaurus - Late Triassic, 210 Ma
Gomphodontosuchus - Late Triassic
Gomphotherium - Early Miocene-Early Pleistocene
Gondwanatitan - Late Cretaceous,70 Ma
Gongbusaurus - Late Jurassic, 160-157 Ma
Gongxianosaurus - Early Jurassic 183-174 Ma
Gooloogongia - Late Devonian
Gorgonops - Wuchiapingian, 260-254 Ma
Gorgosaurus - Late Cretaceous, 76.6-75.1 Ma
Goronyosaurus - Maastrichtian
Goupilictis - Unavailable
Goyocephale - Late Cretaceous, 76 Ma
Graciliceratops - Late Cretaceous, 90 Ma
Graciliraptor - Early Cretaceous, 125 Ma
Gracilisuchus - Middle Triassic,[1] 236-234 Ma
Gracilocyon - Early Eocene
Greererpeton - Visean 345.3-328.3 Ma
Griphodon - Paleocene-Oligocene
Griphognathus - Late Devonian
Grippia - Early Triassic - Mid Triassic, 235 Ma
Groenlandaspis - Late Devonian
Gryphoceratops - Late Cretaceous, 83.5 Ma
Gryponyx - Lower Jurassic Hettangian-Sinemurian
Gryposaurus - Late Cretaceous, 83-74 Ma
Gryposuchus - Mid Miocene-Late Pleistocene (Friasian-Lujanian)~15.97-0.012 Ma
Guaibasaurus - Late Triassic, 216.5-212 Ma
Guangxicyon - 37-33 Ma Late Eocene
Guanlong - Late Jurassic, 160 Ma
Guidraco - Early Cretaceous, 120 Ma
Guiomys - Mid Miocene (Laventan)~13.8-11.8 Ma
Guiyu - Late Silurian, 419 Ma
Gwawinapterus - Late Cretaceous, 75 Ma
Gwyneddosaurus - Late Triassic
Gyposaurus - Early Jurassic
Gyroptychius - Mid Devonian
H (107 species)
Haasiasaurus - 100 Ma
Hadrocodium - Early Jurassic, 195 Ma
Hadropithecus - Unavailable
Hadrosaurus - Late Cretaceous, 79.5 Ma
Haestasaurus - Early Cretaceous, 140 Ma
Hagryphus - Late Cretaceous, 75.95 Ma
Haikouichthys - 535-520 Ma
Hainosaurus - Late Cretaceous, 70.6-68 Ma
Halisaurus - Late Cretaceous 86.3 Ma
Halticosaurus - Late Triassic, 208 Ma
Hanssuesia - Late Cretaceous, 77.5-75 Ma
Haopterus - Early Cretaceous, 124.6 Ma
Hapalops - Early-Late Miocene (Santacrucian-Huayquerian)~17.5-7.246 Ma
Haplocanthosaurus - Late Jurassic, 155-152 Ma
Haplocheirus - Late Jurassic, 160 Ma
Haplocyon - Unavailable
Haplocyonoides - 20-16.9 Ma Late Eocene
Haplocyonopsis - Unavailable
Haptodus - Late Carboniferous - Early Permian, 299-296.4 Ma
Haramiyavia - Unavailable
Harpactognathus - Late Jurassic
Harpagophagus - Oligocene
Harpagornis - Late Pleistocene-Holocene
Harpymimus - Early Cretaceous, 130 Ma
Hassiacosuchus - Eocene
Hatzegopteryx - Maastrichtian, 66 Ma
Hauffiopteryx - Early Jurassic, 182.7-181.8 Ma
Hauffiosaurus - Early Jurassic, 182.7-180.7 Ma
Haughtoniana - Unavailable
Heishanobaatar - Early Cretaceous
Heleosaurus - Middle Permian, 270-290 Ma
Helicoprion - Cisuralian-Guadalupian
Heliobatis - Early Eocene
Helioceratops - Middle Cretaceous
Heliopithecus - Miocene16 Ma
Helveticosaurus - Middle Triassic, 242 Ma
Hemicyclaspis - Early Devonian
Hemicyon - Early Miocene-Late Miocene
Hemipristis - Middle Eocene-Recent[1]
Henodus - Late Triassic, 228-220 Ma
Heptasuchus - Middle - Late Triassic, 238-230 Ma
Herbstosaurus - Late Jurassic, 150 Ma
Herpetoskylax - Late Permian
Herrerasaurus - Late Triassic, 231.4 Ma
Hesperocyon - Late Eocene-Early Oligocene
Hesperornis - Late Cretaceous, 83.5-78 Ma
Hesperosaurus - Late Jurassic, 156 Ma
Heterodontosaurus - Early Jurassic, 200-190 Ma
Hexatarsostinus - Rhaetian - Hettangian
Hexinlusaurus - Middle Jurassic, Bajocian
Heyuannia - Late Cretaceous, 70 Ma
Himalayacetus - Early Eocene, 53.5 Ma
Himalayasaurus - Late Triassic, 215.56-212.0 Ma[1]
Hipparion - Early Miocene to Pleistocene,[1] 23-0.781 Ma
Hippidion - Pliocene-Late Pleistocene (Montehermosan-Lujanian & Blancan)~5.332-0.009 Ma
Hippodraco - Early Cretaceous, 124 Ma
Hipposaurus - Capitanian, 262-260 Ma
Histriasaurus - Early Cretaceous
Hofmeyria - Unavailable
Holoptychius - Late Devonian-Mississippian~383-318 Ma
Homalocephale - Late Cretaceous, 80 Ma
Homalodotherium - Mid Miocene (Friasian)~16.3-15.5 Ma
Homodontosaurus - Late Permian
Homotherium - Early Pliocene to Late Pleistocene, 4-0.012 Ma [1]
Hongshanopterus - Early Cretaceous
Hongshanornis - Early Cretaceous, 124.6-122 Ma
Hoplitosaurus - Early Cretaceous, 130 Ma
Hoplophoneus - Late Eocene to Early Oligocene 38-33.3 Ma
Horshamosaurus - Barremian Cretaceous
Hovasaurus - Changhsingian - Induan 253.8-249.7 Ma
Howesia - Middle Triassic, 246 Ma
Huabeisaurus - Late Cretaceous, 95-72 Ma
Huanansaurus - Late Cretaceous, 72 Ma
Huanghetitan - Early Cretaceous
Huangshanlong - Middle Jurassic
Huanhepterus - Late Jurassic
Huaxiagnathus - Early Cretaceous, 125 Ma
Huayangosaurus - Middle Jurassic, 165 Ma
Hudiesaurus - Late Jurassic
Hudsonelpidia - Late Triassic, 210 Ma
Huehuecanauhtlus - Late Cretaceous, Santonian
Hulitherium - Pleistocene
Hulsanpes - Late Cretaceous, 70 Ma
Hungarobatrachus - Santonian
Hungarosaurus - Late Cretaceous, 85 Ma
Hutegotherium - Middle Jurassic, 165 Ma
Hyaenodon - Late Eocene to Early Miocene, 42-15.9 Ma
Hybodus - Late Permian-Late Cretaceous, 260.0 Ma
Hydrodamalis - late Pliocene to Recent, 3.6-0 Ma
Hydrotherosaurus - Late Cretaceous, 70-66 Ma
Hylaeosaurus - Early Cretaceous, 140-136 Ma
Hylonomus - Pennsylvanian, 312 Ma
Hyneria - 360 Ma (Famennian)[1]
Hynerpeton - 360 Ma Late Devonian
Hyotherium - Unavailable
Hypacrosaurus - Late Cretaceous, 75-67 Ma
Hypercoryphodon - Late Eocene, 37-34 Ma
Hyperodapedon - Late Triassic, 231-216 Ma
Hypohippus - Unavailable
Hypselosaurus - Late Cretaceous, 70 Ma
Hypselospinus - Early Cretaceous, 140 Ma
Hypsidoris - Middle Eocene
Hypsocormus - Middle Jurassic-Late Jurassic
Hypsognathus - Late Triassic
Hyrachyus - Eocene
Hyracodon - Middle Eocene-Late Oligocene
Hyracotherium - 55-45 Ma
I (46 species)
Ianthasaurus - Late Carboniferous, 302 Ma
Iberomesornis - Early Cretaceous, 125 Ma
Iberospondylus - Carboniferous
Icaronycteris - Early Eocene
Ichibengops - Late Permian
Ichthyodectes - Unavailable
Ichthyornis - Late Cretaceous,[1] 93-83.5 Ma
Ichthyosaurus - Late Triassic - Early Jurassic, Rhaetian-Pliensbachian
Ichthyostega - Late Devonian, 365-360 Ma
Ichthyovenator - Early Cretaceous
Ictidognathus - Late Permian
Ictidopsis - Unavailable
Ictidorhinus - Late Permian
Ictidostoma - Unavailable
Ictidosuchoides - Late Permian - Early Triassic
Ictidosuchus - Unavailable
Ictiocyon - Miocene
Ictitherium - Middle Miocene-Early Pliocene
Idelesaurus - Late Permian
Igdamanosaurus - Late Cretaceous
Iguanacolossus - Lower Cretaceous, 130 Ma
Iguanodon - Early Cretaceous, 126-125 Ma
Ikrandraco - Early Cretaceous, 120 Ma
Iliosuchus - Middle Jurassic 168.3-166.1 Ma
Ilokelesia - Late Cretaceous, 95 Ma
Incisivosaurus - Early Cretaceous, 123.2 Ma
Indarctos - Miocene
Indocetus - Middle Eocene
Indohyus - Middle Eocene
Indosaurus - Late Cretaceous, 69 Ma
Indosuchus - Late Cretaceous, 70 Ma
Iniopteryx - Pennsylvanian
Inostrancevia - Wuchiapingian, 260-254 Ma
Irajatherium - Late Triassic
Iranotherium - Late Miocene
Irritator - Early Cretaceous, 110 Ma
Isanosaurus - Late Triassic 214-201 Ma
Ischyodus - 176-23 Ma Middle Jurassic to Miocene
Ischyrocyon - Miocene
Isfjordosaurus - Early Triassic
Isisaurus - Late Cretaceous, 70 Ma
Isisfordia - Early-Late Cretaceous, Albian-Cenomanian
Istiodactylus - Early Cretaceous, 125-120 Ma
Itasuchus - Late Cretaceous, 70.6 Ma
Itemirus - Late Cretaceous, 91 Ma
Iuticosaurus - Early Cretaceous
J (27 species)
Jamoytius - Llandovery
Janenschia - 155-145 Ma Late Jurassic
Janjucetus - Late Oligocene
Jaxartosaurus - Late Cretaceous, 84 Ma
Jaxtasuchus - Middle Triassic
Jeholodens - Early Cretaceous, 125 Ma
Jeholopterus - Bathonian to Oxfordian,[1] 164 Ma
Jeholornis - Early Cretaceous, 122-120 Ma
Jeholosaurus - Early Cretaceous, 130 Ma
Jeyawati - Late Cretaceous, 91 Ma
Jianchangnathus - Middle Jurassic, 160 Ma
Jiangjunosaurus - Late Jurassic, 160 Ma
Jiangshanosaurus - Early Cretaceous, 105 Ma
Jidapterus - Early Cretaceous, 120 Ma
Jinanichthys - Early Cretaceous
Jinfengopteryx - Early Cretaceous, 122 Ma
Jingshanosaurus - Early Jurassic
Jintasaurus - Early Cretaceous
Jiutaisaurus - Aptian-Cenomanian
Jobaria - Middle Jurassic, 167-161 Ma
Jonkeria - Capitanian, 265-260 Ma
Josephoartigasia - Early-Late Pliocene (Chapadmalalan)~4-3 Ma
Jubbulpuria - Late Cretaceous, 70 Ma
Judiceratops - Late Cretaceous, 78-77.5 Ma
Juramaia - Late Jurassic, 160.89-160.25 Ma
Juratyrant - Late Jurassic, 149 Ma
Juravenator - Late Jurassic, 151.5 Ma
K (83 species)
Kaatedocus - Late Jurassic, 155 Ma
Kabirmys - Late Eocene
Kaijiangosaurus - Middle Jurassic
Kaiwhekea - Late Cretaceous, 70-69 Ma
Kakuru - Early Cretaceous
Kalimantsia - 23.03-5.33 Ma Miocene
Kamagorgon - Permian, 270.6-260.4 Ma
Kangnasaurus - Early Cretaceous
Kannemeyeria - Early Triassic
Kapes - Lower - Middle Triassic
Kaprosuchus - Late Cretaceous, 95 Ma
Karaurus - Late Jurassic Oxfordian-Kimmeridgian
Karongasaurus - Early Cretaceous
Kataria - Unavailable
Katumbia - Late Permian
Kayentachelys - Early Jurassic 196.5-183.0 Ma
Kayentasuchus - Early Jurassic
Kayentatherium - Early Jurassic
Kayentavenator - Early Jurassic, 189 Ma
Keichousaurus - late Early-early Late Triassic, Olenekian-Carnian
Kekenodon - Chattian of the Oligocene
Kelenken - Miocene, 15 Ma
Kelmayisaurus - Early Cretaceous
Kelyophis - Late Cretaceous, 70 Ma
Kemkemia - Cenomanian
Kentrosaurus - Late Jurassic, 155-150 Ma
Kenyapithecus - middle Miocene
Kepodactylus - Late Jurassic
Keratocephalus - Capitanian
Kerberosaurus - Late Cretaceous, 66 Ma
Khaan - Late Cretaceous, 84-75 Ma
Kharodacetus - Middle Eocene, 42 Ma
Khetranisaurus - Late Cretaceous, Maastrichtian
Khoratosuchus - Early Cretaceous, Aptian-Albian
Khoratpithecus - Unavailable
Khunnuchelys - Turonian to Campanian, 91-75 Ma
Kielanobaatar - Early Cretaceous
Kileskus - Middle Jurassic, 165 Ma
Kimbetopsalis - - Middle Puercan, 65 Ma
Kimmerosaurus - 150.8-145.5 Ma Late Jurassic, Tithonian
Kinnareemimus - Early Cretaceous, Valanginian-Hauterivian
Kitchinganomodon - Late Permian
Klamelisaurus - Middle Jurassic, 174-163 Ma
Kleskunsaurus - Late Cretaceous
Knightia - Early Eocene
Kogiopsis - Miocene
Koilamasuchus - Early Triassic
Kol - Late Cretaceous, 75 Ma
Kollikodon - Early Cretaceous
Komba - Early Miocene-Middle Miocene
Kombuisia - Early to Middle Triassic
Komensaurus - 100 Ma Late Cretaceous
Koolasuchus - Aptian, 120 Ma
Koparion - Late Jurassic, 151 Ma
Koreaceratops - Early Cretaceous, 103 Ma
Koreanosaurus - Late Cretaceous, Santonian-Campanian
Koshisaurus - Early Cretaceous, 128 Ma
Koskinonodon - Late Triassic, 228-208 Ma
Kosmoceratops - Late Cretaceous, 76.4-75.9 Ma
Kotasaurus - 196.5-183 Ma Early Jurassic
Koumpiodontosuchus - Early Cretaceous
Kourisodon - Late Santonian - Late Maastrichtian
Kritosaurus - Late Cretaceous, 74.5 Ma
Kronosaurus - Early Cretaceous, 125-99 Ma
Kryostega - Triassic
Kryptops - Early Cretaceous, 110 Ma
Kubanochoerus - Miocene
Kukufeldia - Early Cretaceous, 140-136 Ma
Kulceratops - Early Cretaceous, Albian
Kulindadromeus - Middle Jurassic to Late Jurassic, 169-144 Ma
Kundurosaurus - Late Cretaceous, 67 Ma
Kunmingosaurus - Early Jurassic
Kunpengopterus - Middle-Late Jurassic, 154 Ma
Kuntinaru - Late Oligocene (Deseadan)~26.0 Ma
Kuri - Unavailable
Kurmademys - Late Cretaceous 70.6 Ma
Kuszholia - Late Cretaceous, 85 Ma
Kutchicetus - Middle Eocene, 46-43 Ma
Kutchisiren - Miocene
Kuttanacaiman - Middle Miocene (Friasian-Mayoan)~15.97-11.608 Ma
Kwazulusaurus - Late Permian
Kyasuchus - Early Cretaceous
Kyrgyzsaurus - Middle-Upper Triassic, 230-225 Ma
L (119 species)
Labidiosuchus - Late Cretaceous, Maastrichtian
Labidosaurikos - Early Permian, 279-272 Ma
Labidosaurus - Early Permian
Labocania - Late Cretaceous, 73 Ma
Laccotriton - Unavailable
Lacusovagus - Early Cretaceous, 120 Ma
Laganosuchus - 95 Ma Cenomanian
Lagerpeton - Late Triassic, 236-234 Ma
Lagosuchus - Middle Triassic, 236-234 Ma
Lamaceratops - Late Cretaceous
Lambeosaurus - Late Cretaceous, 76-75 Ma
Lamiasaurus - Capitanian
Lamplughsaura - Early Jurassic
Langobardisaurus - Late Triassic, 228-201 Ma
Langstonia - Middle Miocene, 13-12 Ma
Lanthanostegus - Unavailable
Lanthanosuchus - Unavailable
Lanzhousaurus - Lower Cretaceous, 130 Ma
Laopteryx - Late Jurassic
Laosaurus - Upper Jurassic, Upper Cretaceous
Lapampasaurus - Late Cretaceous, 76-70 Ma
Laplatasaurus - Late Cretaceous, Campanian
Lapparentosaurus - Middle Jurassic
Laquintasaura - 200.91 Ma Hettangian
Larachelus - Early Cretaceous
Lariosaurus - Middle Triassic, Anisian-Ladinian
Lasasaurus - Early Triassic
Latirhinus - Late Cretaceous, 72.5 Ma
Latoplatecarpus - Late Cretaceous, 80.5-79 Ma
Lazarussuchus - Late Paleocene - Early Miocene, 60-20 Ma
Leaellynasaura - Early Cretaceous,[1]118-110 Ma
Leedsichthys - Middle Jurassic
Leidyosuchus - Campanian
Leinkupal - Early Cretaceous, 136.4 Ma
Lemurosaurus - Late Permian
Leonerasaurus - Early Jurassic, 199 Ma
Lepidotes - Toarcian - Cenomanian, 180.3-94.0 Ma
Leptalestes - Unavailable
Leptictidium - Middle Eocene, 50-35 Ma
Leptoceratops - Late Cretaceous, 66.8 Ma
Leptochamops - Santonian to Maastrichtian of the Cretaceous
Leptolepides - Early Toarcian[1]
Leptolepis - 242.0-112.6 Ma Middle Triassic to Early Cretaceous[1]
Leptonectes - Late Triassic - Early Jurassic, Rhaetian-Pliensbachian
Leptopleuron - Late Triassic, 237-201 Ma
Leptorhynchos - Late Cretaceous, 75 Ma
Leptosuchus - Late Triassic
Leshansaurus - Bathonian-Callovian
Lesothosaurus - Early Jurassic, 199-189 Ma
Lessemsaurus - Late Triassic, 228-204 Ma
Lestobradys - Late Miocene (Mayoan-Montehermosan)~11.6-5.4 Ma
Levnesovia - Late Cretaceous
Lewisuchus - Middle Triassic, 236-234 Ma
Lexovisaurus - Middle - Late Jurassic, 164.7 Ma
Leyesaurus - Lower Jurassic
Liaoceratops - Early Cretaceous, 130 Ma
Liaochelys - Early Cretaceous
Liaoconodon - Aptian, 120 Ma
Liaoningopterus - Early Cretaceous, 120 Ma
Liaoningornis - Early Cretaceous, 124.6 Ma
Liaoningosaurus - Early Cretaceous, 122 Ma
Liaoxipterus - Early Cretaceous, 120 Ma
Libycosaurus - Middle Miocene to Late Miocene
Libycosuchus - Late Cretaceous
Ligabueino - Early Cretaceous, 125 Ma
Ligabuesaurus - Early Cretaceous
Liliensternus - Late Triassic, 228-201 Ma
Limaysaurus - Aptian-Albian Early Cretaceous
Limnofregata - Early Eocene
Limnoscelis - Early Permian
Limusaurus - Oxfordian, 161-156 Ma
Linhenykus - Late Cretaceous
Linheraptor - Late Cretaceous, Campanian
Linhevenator - Late Cretaceous, 75 Ma
Liodon - Late Cretaceous
Liopleurodon - Middle-Late Jurassic, 160-155 Ma
Lisboasaurus - Late Jurassic- Early Cretaceous
Litargosuchus - Early Jurassic
Liubangosaurus - Early Cretaceous
Livyatan - Tortonian (Chasicoan)~9.9-8.9 Ma (possible Zanclean occurrence)
Llanocetus - Priabonian
Lobalopex - Late Permian
Lonchidion - Triassic
Lonchodectes - Late Cretaceous, 94 Ma
Lonchognathosaurus - Early Cretaceous
Longchengpterus - Early Cretaceous, 120 Ma
Longicrusavis - Early Cretaceous, 122 Ma
Longisquama - Middle or Late Triassic, 235 Ma
Lophorhinus - Late Permian
Lophorhothon - Late Cretaceous, ~80 Ma
Lophostropheus - Late Triassic/Early Jurassic, 200 Ma
Loricatosaurus - Middle Jurassic
Loricosaurus - 71 Ma
Lorosuchus - Paleocene (Peligran-Riochican)~61.7-55.8 Ma
Losillasaurus - Late Jurassic-Early Cretaceous
Lotosaurus - Middle Triassic, Anisian
Lourinhanosaurus - Late Jurassic, 150 Ma
Lourinhasaurus - Late Jurassic 153-150 Ma
Luanchuanraptor - Late Cretaceous
Ludodactylus - Early Cretaceous, 112 Ma
Luetkesaurus - Late Cretaceous
Lufengosaurus - Early Jurassic 190 Ma
Lufengpithecus - Unavailable
Lukousaurus - Early Jurassic 196.5 - 189.5 Ma
Luoyanggia - Early Cretaceous, Aptian-Albian
Lurdusaurus - Early Cretaceous, 121-112 Ma
Lusitanisuchus - 155-140 Ma
Lusitanosaurus - Early Jurassic
Lusonectes - Early Jurassic, Toarcian
Lusotitan - Late Jurassic, 152 Ma
Lycaenodon - Late Permian
Lycaenops - Middle - Late Permian 270.6-251 Ma
Lycideops - Late Permian
Lycophocyon - Middle Eocene, 43-40 Ma
Lycoptera - Upper Jurassic-Lower Cretaceous
Lycorhinus - Early Jurassic, 197 Ma
Lycosuchus - Middle Permian, 265-260 Ma
Lystrosaurus - Late Permian-Early Triassic, 255-250 Ma
Lythronax - Late Cretaceous, 80 Ma
M (169 species)
Megalodon - Early Miocene-Late Pliocene, ~23-2.6 Ma
Machaeroides - Eocene
Machairasaurus - Late Cretaceous
Machairodus - Late Miocene to the Middle Pleistocene
Macrauchenia - Late Miocene-Late Pleistocene (Huayquerian-Lujanian)~7-0.01 Ma
Macrocnemus - Middle Triassic, 245-228 Ma
Macroleter - Late Permian, 264 Ma
Macromerion - Late Carboniferous 304.2-299 Ma
Macroplata - 199-195 Ma Early Jurassic
Macropoma - Late Cretaceous, 70 Ma
Macrurosaurus - Early Cretaceous
Madtsoia - Coniacian-Late Eocene (Casamayoran)~89.3-37.2 Ma
Madygenerpeton - Middle/Upper Triassic
Madysaurus - Middle Triassic
Magericyon - Late Miocene 10-9 Ma
Magnapaulia - Late Cretaceous, 73.6-73 Ma
Magnirostris - Unavailable
Magnosaurus - Middle Jurassic
Magyarosaurus - Late Cretaceous, 70 Ma
Mahajangasuchus - Upper Cretaceous, 70 Ma
Mahakala - Late Cretaceous, 75 Ma
Maiacetus - Middle Eocene
Maiasaura - Late Cretaceous, 76.7 Ma
Majungasaurus - Late Cretaceous, 70 Ma
Makaracetus - Early Middle Eocene
Malarguesaurus - Turonian-Coniacian~91-88 Ma
Malasaurus - Late Permian
Malawisaurus - Aptian
Maleevus - Late Cretaceous, 90 Ma
Malerisaurus - Late Triassic, 228-215 Ma
Mamenchisaurus - Late Jurassic, 160-145 Ma
Mammacyon - Oligocene-Miocene
Mammalodon - Late Oligocene
Mammut - Early Oligocene through to the end of the Pleistocene/early Holocene
Mammuthus africanavus - Early Pliocene to Early Pleistocene
Mammuthus columbi - Mid Pleistocene-Early Holocene, 1.5-0.011 Ma
Mammuthus exilis - Late Pleistocene to Early Holocene, 0.06-0.011 Ma
Mammuthus meridionalis - 2.5-1.5 Ma Pleistocene
Mammuthus primigenius - Pleistocene - Early Holocene 0.15-0.004 Ma
Mammuthus subplanifrons - Early Pliocene
Mammuthus trogontherii - Mid Pleistocene
Mandageria - Late Devonian
Mandschurosaurus - Late Cretaceous, 66 Ma
Manidens - Middle Jurassic, 171-167 Ma
Mantellisaurus - Early Cretaceous, 125 Ma
Maotherium - Early Cretaceous, 124.6 Ma
Mapusaurus - Late Cretaceous, 97-93.5 Ma
Marasuchus - Late Triassic, 236-234 Ma
Maresaurus - Middle Jurassic
Mariliasuchus - Late Cretaceous~84.9.0 Ma
Marisaurus - Late Cretaceous, Maastrichtian
Marshosaurus - Late Jurassic, 155-152 Ma
Martharaptor - Lower Cretaceous
Martinavis - Late Cretaceous, 75-70 Ma
Masiakasaurus - Late Cretaceous, 70 Ma
Masracetus - Late Eocene
Massaliasuchus - Late Cretaceous, 83.5 Ma
Massospondylus - Early Jurassic, 200-183 Ma
Mastodonsaurus - Middle Triassic
Materpiscis - Late Devonian, 380 Ma
Mauicetus - Late Oligocene. 24.2-23.6 Ma
Mauisaurus - Late Cretaceous, 77 Ma
Mawsonia - Late Cretaceous, 110-95 Ma
Maxakalisaurus - Late Cretaceous
Medusaceratops - Middle Campanian, 77.5 Ma
Megacerops - Late Eocene 38-33.9 Ma
Megaladapis - Unavailable
Megalampris - Late Oligocene[1]
Megalancosaurus - Late Triassic
Megaleptictis - Late Eocene
Megalictis - Miocene
Megaloceros - Late Pliocene to Late Pleistocene, 3-0.008 Ma
Megalonyx - late Miocene to Pleistocene, 10.3-0.011 Ma
Megaloplax - Emsian to Frasnian
Megalosaurus - Middle Jurassic, 166 Ma
Megamastax - Late Silurian, 423 Ma
Megantereon - Early Pliocene to Middle Pleistocene
Megapaloelodus - Late Oligocene - Early Pliocene
Megapiranha - Late Miocene
Megaraptor - Late Cretaceous,[1] 91-88 Ma
Megatherium - Early Pliocene[1] to Early Holocene, 5-0.010 Ma Possible later date of 0.008 Ma
Megawhaitsia - 260.5-251.0 Ma
Megazostrodon - Late Triassic-Early Jurassic
Megistotherium - early Miocene 23.03-11.61 Ma
Meherrinia - Late Miocene
Meiolania - mid Miocene-Holocene
Melanosteus - Late Frasnian[1]
Menadon - Middle to Late Triassic
Menarana - Late Cretaceous, 70 Ma
Mendozahippus - Mid-Late Oligocene (Deseadan)~29-21 Ma
Mendozasaurus - Late Cretaceous
Mene - 58.7-0 Ma Thanetian to Present[1]
Merychippus - Miocene
Mesembriornis - Late Miocene-Late Pliocene
Mesenosaurus - Late Permian
Mesohippus - Middle Eocene - Early Oligocene
Mesoleptos - 100 Ma Late Cretaceous
Mesonyx - Eocene
Mesophryne - Unavailable
Mesopropithecus - Unavailable
Mesosaurus - Cisuralian, 299-280 Ma
Mesosuchus - Middle Triassic, 246 Ma
Metaliomys - Late Miocene
Metoposaurus - Carnian, 228-216.5 Ma
Metriacanthosaurus - Middle Jurassic, 160 Ma
Metridiochoerus - Late Pliocene to Early Pleistocene
Metriorhynchus - 167-155 Ma Callovian - Kimmeridgian
Mexichelys - Late Campanian
Meyerasaurus - Early Jurassic, 183-180 Ma
Miacis - Late Paleocene-Late Eocene [1]
Miadanasuchus - Late Cretaceous
Microbrachis - Late Carboniferous, 307.1-302 Ma
Microceratus - Late Cretaceous, 90 Ma
Microcleidus - Early Jurassic
Microcoelus - Late Cretaceous
Microgomphodon - Middle Triassic, Olenekian-Anisian
Micropachycephalosaurus - Late Cretaceous, 69.5 Ma
Microposaurus - Middle-Late Triassic, 247-242 Ma
Microraptor - Early Cretaceous, 120 Ma
Microurania - Wordian
Microvenator - Early Cretaceous, 110 Ma
Milleretta - Changhsingian, 252.5-251 Ma
Minicynodon - Late Triassic, Carnian-Norian
Minmi - Early Cretaceous, 119-113 Ma
Minotaurasaurus - Late Cretaceous, 75-70 Ma
Miodentosaurus - Late Triassic, 235.0-221.5 Ma
Miracinonyx - Late Pliocene to Late Pleistocene 2.6-0.011 Ma
Miragaia - Late Jurassic, 150 Ma
Mitredon - Late Triassic
Mixocetus - Late Miocene, 11.6-10 Ma
Mixosaurus - Triassic(Anisian to Ladinian, about 247-242 Mya)[1]
Moanasaurus - Late Cretaceous
Mochlodon - Late Cretaceous
Moeritherium - Late Eocene
Moganopterus - Early Cretaceous, 124.5 Ma
Mojoceratops - Late Cretaceous, 76.5-75 Ma
Mollesaurus - Middle Jurassic, 171.6-170 Ma
Mongolepis - Late Silurian
Monjurosuchus - Early Cretaceous
Monkonosaurus - 150 Ma
Monoclonius - Late Cretaceous, 77-74.8 Ma
Monolophosaurus - Middle Jurassic, 165 Ma
Mononykus - Late Cretaceous, 70 Ma
Montanoceratops - 70 Ma Early Maastrichtian
Morawanocetus - Chattian
Morelladon - Early Cretaceous, 130 Ma
Morenosaurus - Late Cretaceous, 70-66 Ma
Moropus - Early Miocene, 23-13.6 Ma
Morotopithecus - Miocene[1]
Morrinhosuchus - Late Cretaceous
Mosaiceratops - Late Cretaceous, 94-72 Ma
Mosasaurus - Late Cretaceous, 70 Ma
Moschops - Capitanian, 265-260 Ma
Moschorhinus - Late Permian-Early Triassic
Mourasuchus - Miocene
Moythomasia - Middle Devonian-Late Devonian
Muraenosaurus - Middle Jurassic, Callovian
Mussaurus - Late Triassic, 215-203 Ma
Muttaburrasaurus - Early Cretaceous,[1] 112-99.6 Ma
Muyelensaurus - Late Cretaceous
Muzquizopteryx - Late Cretaceous, 85.8 Ma
Mycterosaurus - Early Permian
Myllokunmingia - 535-520 Ma
Mylodon - Pleistocene to Holocene
Mymoorapelta - Late Jurassic, 155-150 Ma
Myosauroides - Unavailable
Myosaurus - Early Triassic
Mystriosuchus - Upper Triassic
Mythunga - Early Cretaceous
N (79 species)
Naashoibitosaurus - Late Cretaceous, 73 Ma
Nakalipithecus - 9.9-9.8 Ma
Nalacetus - Early Eocene, 50 Ma
Nambalia - late Norian-earliest Rhaetian
Nambashag - 26-24 Ma
Nanchangosaurus - Middle Triassic, Anisian
Nanictosaurus - Middle Permian- Early Triassic, 261-247 Ma
Nanningosaurus - Late Cretaceous, Maastrichtian
Nannopterygius - Middle to Late Jurassic, Callovian-Tithonian
Nanogomphodon - Middle Triassic
Nanolestes - Jurassic
Nanosaurus - Unavailable
Nanotyrannus - Late Cretaceous, 68.5 Ma
Nanshiungosaurus - Late Cretaceous, 78-72 Ma
Nanuqsaurus - Late Cretaceous, 69.1 Ma
Nanyangosaurus - Late Cretaceous, 94-72 Ma
Narambuenatitan - Late Cretaceous, Campanian
Nardovelifer - Campanian
Nasutoceratops - Campanian, 75.9-75.5 Ma
Natchitochia - Middle Eocene
Navajodactylus - Late Cretaceous, 75.56-74.44 Ma
Nebulasaurus - Middle Jurassic, 174.1-168.3 Ma
Necrolestes - Early Miocene (Santacrucian)~21.0-17.5 Ma
Nedcolbertia - Barremian
Nedoceratops - Late Cretaceous, 67 Ma
Neimongosaurus - Late Cretaceous, c 85 Ma.
Nemegtomaia - Late Cretaceous, 70 Ma
Nemegtosaurus - Late Cretaceous, 70 Ma
Nemicolopterus - Early Cretaceous, 120 Ma
Neohelos - Miocene, 23-12 Ma
Neohipparion - Unavailable
Neopteroplax - Late Carboniferous
Neosodon - Upper Jurassic
Neotrirachodon - Middle Triassic
Neovenator - Early Cretaceous, 125 Ma
Neptunidraco - Middle Jurassic, Bajocian-Bathonian
Nesodactylus - Late Jurassic, 156 Ma
Neuquenraptor - Late Cretaceous, 90 Ma
Neuquensaurus - Late Cretaceous, 80 Ma
Newtonella - Unavailable
Nezpercius - Late Cretaceous, 83.5.5 Ma
Niaftasuchus - middle permian
Nicrosaurus - Late Triassic, 228-201.3 Ma
Nidimys - Late Cretaceous
Nigerpeton - Late Permian
Nikkasaurus - middle Permian
Nimravus - Oligocene, 33.3-26.3 Ma
Ningchengopterus - Early Cretaceous, 130-122 Ma
Ningyuansaurus - Early Cretaceous, 124.6 Ma
Niobrarasaurus - 87-82 Ma
Nipponosaurus - Late Cretaceous
Nitosaurus - Unavailable
Njalila - Late Permian
Noasaurus - Late Cretaceous, 70 Ma
Nodocephalosaurus - Late Cretaceous, Campanian
Nodosaurus - Late Cretaceous, 100.5-97 Ma
Nomingia - Late Cretaceous, 70 Ma
Nopcsaspondylus - Late Cretaceous
Noripterus - Early Cretaceous
Normannognathus - Late Jurassic
Notharctus - Middle Eocene-Late Eocene
Nothosaurus - 240-210 Ma Early to Late Triassic
Nothronychus - Late Cretaceous, 92-91 Ma
Nothrotheriops - Pleistocene, 2.6-0.011 Ma
Notoceratops - Late Cretaceous
Notocolossus - Late Cretaceous, 86 Ma
Notoemys - Tithonian of the Jurassic to the early Cretaceous
Notoetayoa - Paleocene to Eocene
Notohypsilophodon - Late Cretaceous
Notosuchus - Late Cretaceous, 85 Ma
Nqwebasaurus - Early Cretaceous, 140 Ma
Nundasuchus - Middle Triassic, Anisian
Nuralagus - Messinian-Pliocene
Nurhachius - Early Cretaceous, 120 Ma
Nuthetes - Early Cretaceous, 143 Ma
Nyasasaurus - Middle Triassic, 243 Ma
Nycteroleter - Middle Permian, Guadalupian
Nyctiphruretus - Guadalupian
Nyctosaurus - Late Cretaceous, 85-84.5 Ma
O (56 species)
Obamadon - Late Cretaceous, 66 Ma
Obruchevichthys - Unavailable
Odontochelys - Late Triassic, 220 Ma
Oedaleops - Early Permian
Ohmdenosaurus - Early Jurassic
Ojoceratops - Late Cretaceous, 68 Ma
Ojoraptorsaurus - Late Cretaceous, 69 Ma
Oligokyphus - Late Triassic-Early Jurassic
Oligolactoria - Early Oligocene[1]
Olorotitan - Late Cretaceous, 72 Ma
Omeisaurus - Middle Jurassic, Bathonian-Callovian
Omoiosicista - Burdigalian, 17 Ma
Omphalosaurus - Middle Triassic - Late Triassic, 250-235 Ma
Onchopristis - Albian-Maastrichtian
Oncorhynchus rastrosus - Late Miocene to Pleistocene
Onychonycteris - 52.5 Ma Early Eocene
Oohkotokia - Late Cretaceous, 74 Ma
Ophiacodon - Late Carboniferous to Early Permian 306-280 Ma
Ophiderpeton - Early Carboniferous to Early Permian 345.3-294.6 Ma
Ophthalmosaurus - Jurassic, 201.6-145.5 Ma[1]
Opisthocoelicaudia - Late Cretaceous, 70 Ma
Opisthodactylus - Miocene
Oreopithecus - Miocene
Orkoraptor - Cenomanian-Santonian[1]
Ornimegalonyx - Late Pleistocene
Ornithocheirus - Late Cretaceous, 110 Ma
Ornithodesmus - Early Cretaceous, 125 Ma
Ornitholestes - Late Jurassic, 154 Ma
Ornithomimus - Late Cretaceous, 76.5.5 Ma [1]
Ornithoprion - Carboniferous
Ornithopsis - Early Cretaceous
Ornithostoma - Early Cretaceous, 110 Ma
Ornithosuchus - Late Triassic Carnian
Orodromeus - Late Cretaceous, 76.7 Ma
Orohippus - early to middle Eocene[1]
Oromycter - Early Permian 290.1-268 Ma
Orovenator - Sakmarian, 289 Ma
Orthacanthus - Lower Carboniferous - Permian
Orthogoniosaurus - Late Cretaceous, 66 Ma
Orycterocetus - Miocene
Oryctodromeus - Late Cretaceous, Cenomanian
Osmakasaurus - Early Cretaceous, 137 Ma
Ostafrikasaurus - Late Jurassic, 148-145.5 Ma
Osteolepis - Middle Devonian
Othnielia - Late Jurassic, 150 Ma
Othnielosaurus - Late Jurassic, 155-148 Ma
Otodus - Paleocene-Miocene
Otsheria - Middle Permian, 267 Ma
Oudenodon - Late Permian
Ouranopithecus - Miocene
Ouranosaurus - Early Cretaceous, 125-112 Ma
Oviraptor - Late Cretaceous, 75 Ma
Owenetta - 260.5-250 Ma Mid Wuchiapingian - early Induan
Oxalaia - Early-Late Cretaceous, 98 Ma
Oxyosteus - Middle to Late Frasnian[1]
Ozraptor - Middle Jurassic, 170 Ma
P (280 species)
Pabwehshi - Late Cretaceous, Maastrichtian
Pachycephalosaurus - Late Cretaceous, 70 Ma
Pachydectes - Middle Permian
Pachygenys - Early Cretaceous, 106.9 Ma
Pachypleurosaurus - Middle Triassic, Ladinian
Pachyrhinos - Wuchiapingian, 260-254 Ma
Pachyrhinosaurus - 73.5-69 Ma
Pachytegos - Unavailable
Pacifichelys - Mid Miocene (Friasian-Laventan)~15.97-13.65 Ma
Padillasaurus - Early Cretaceous, Barremian
Pakasuchus - Early Cretaceous, 105 Ma
Pakicetus - Early Eocene, 52-48 Ma
Pakisaurus - Maastrichtian of the Cretaceous
Palaelodus - Late Oligocene-Pleistocene
Palaeobatrachus - Cretaceous-Pleistocene 130-Gelasian Ma
Palaeocarcharodon - Paleocene
Palaeocastor - Late Oligocene to Early Miocene
Palaeochersis - Late Triassic - Holocene, 210-0 Ma Possible Early and Middle Triassic records in the form of fossil tracks[1]
Palaeochiropteryx - Middle Eocene
Palaeohatteria - Early Permian, Sakmarian
Palaeoherpeton - Upper Carboniferous
Palaeolagus - Oligocene[1]
Palaeomastodon - Late Eocene-Early Oligocene
Palaeomolgophis - Early Carboniferous, 345.3-326.4 Ma
Palaeoniscum - Late Permian
Palaeoplethodon - Miocene, 20-30 Ma
Palaeopropithecus - Unavailable
Palaeosaniwa - Late Cretaceous 75-70 Ma
Palaeoscincus - Upper Cretaceous
Palaeospondylus - Middle Devonian
Palaeotherium - Early to Middle Eocene
Palemydops - Unavailable
Paleoparadoxia - Miocene
Paleopsilopterus - Late Paleocene-Early Eocene (Itaboraian)~58.7-48.6 Ma
Paleorhinus - Late Triassic, Carnian
Palmulasaurus - Late Cretaceous
Palorchestes - Miocene-Pleistocene
Paludititan - Late Cretaceous, Maastrichtian
Palvennia - Late Jurassic, Tithonian
Panamericansaurus - Late Cretaceous
Panderichthys - Late Devonian, 380 Ma
Pangerpeton - Middle or Late Jurassic, 164 Ma
Panguraptor - Early Jurassic, 201-196 Ma
Pannoniasaurus - Late Cretaceous, 85.3-83.5 Ma
Panoplosaurus - Late Cretaceous, 76 Ma
Panphagia - Late Triassic 231 Ma
Panthera gombaszoegensis - Early to Middle Pleistocene
Panthera leo atrox - Pleistocene, 0.34-0.011 Ma
Panthera leo fossilis - Middle Pleistocene
Panthera leo spelaea - Middle Pleistocene to Early Holocene, 1.3-0.011 Ma
Pantosaurus - Late Jurassic, Oxfordian
Pantydraco - Late Triassic
Pappocetus - Eocene
Pappochelys - Middle Triassic, 240 Ma
Paraburnetia - Late Permian
Paraceratherium - Oligocene, 34-23 Ma
Paradaphoenus - 33-6.9 Ma Early Oligocene-Early Miocene
Paraentelodon - Oligocene
Parahippus - Early Miocene
Parahongshanornis - Early Cretaceous, 120 Ma
Paralititan - Late Cretaceous, 99.6-93.5 Ma
Paramylodon - late Pliocene to Pleistocene
Paranthodon - Early Cretaceous, 145.5-136.4 Ma
Paraphysornis - Late Oligocene - Early Miocene
Paraplacodus - Middle Triassic
Pararcus - Middle Triassic
Pararhabdodon - Late Cretaceous, 67.5 Ma
Parasaurolophus - Late Cretaceous, 76.5-74.5 Ma
Parasaurus - Late Jurassic, Oxfordian
Parasuchus - Late Triassic, 222.5-212 Ma
Pareiasaurus - Wuchiapingian - Changhsingian, 260-252 Ma
Parexus - Early Devonian
Paritatodon - Bathonian-Callovian
Parksosaurus - Late Cretaceous, 70 Ma
Parvicursor - Late Cretaceous, 72 Ma
Parvinatator - Early Triassic-Middle Triassic
Pasquiaornis - Late Cretaceous, 93
Patagonykus - Late Cretaceous
Patagopteryx - Late Cretaceous, 85 Ma
Patagornis - Middle Miocene
Patagosaurus - Middle Jurassic, 165-161 Ma
Patagosuchus - Late Cretaceous, 89.8 Ma
Patranomodon - Middle Permian-Late Permian
Pawpawsaurus - Early Cretaceous, 100 Ma
Pederpes - Tournasian, Early Carboniferous 348-347.6 Ma
Pedopenna - Middle or Late Jurassic, 164 Ma
Pegomastax - Early Jurassic, 200-190 Ma
Pelagosaurus - 183-176 Ma Toarcian
Pelanomodon - Late Permian, 259-252 Ma
Pelecanimimus - Early Cretaceous, 130 Ma
Pellegrinisaurus - Late Cretaceous~83-73 Ma
Peloneustes - Middle Jurassic
Pelorocephalus - Late Triassic
Peloroplites - Early Cretaceous-Late Cretaceous, 104.46-98.37 Ma
Pelorosaurus - Early Cretaceous, 132 Ma
Pelorovis - Late Pliocene-Holocene, 2.5-0.004 Ma
Peltephilus - Oligocene-Mid Miocene (Deseadan-Mayoan)~29.0-11.6 Ma
Peltobatrachus - Late Permian, 260.4-251 Ma
Penelopognathus - Early Cretaceous
Penghusuchus - Late Miocene
Pengornis - Early Cretaceous, 120 Ma
Pentaceratops - Late Cretaceous, 75.79-73 Ma
Pepesuchus - Campanian-Maastrichtian~84.9.0 Ma
Percrocuta - Middle Miocene-Late Miocene
Perleidus - Early Triassic-Middle Triassic
Peteinosaurus - Late Triassic, 221-210 Ma
Petrolacosaurus - Pennsylvanian, 302 Ma
Phaedrolosaurus - Early Cretaceous
Pharyngolepis - Late Silurian
Phascolonus - Unavailable
Phasmagyps - Chadronian
Philovenator - Late Cretaceous, 75 Ma
Phiomia - Late Eocene-Early Oligocene~37-30 Ma
Phoberomys - Late Miocene (Huayquerian)~9.0-7.246 Ma
Phoeniconotius - Early Miocene-Late Oligocene
Pholiderpeton - Late Carboniferous
Pholidogaster - Visean to Serpukhovian 345.3-318.1 Ma
Phonerpeton - Early Permian
Phonodus - Early Triassic
Phorusrhacos - Miocene, 20-13 Ma
Phosphatodraco - Late Cretaceous, 66 Ma
Phreatophasma - Middle Permian, 270 Ma
Phthinosuchus - Middle Permian, 268-265.8 Ma
Phuwiangosaurus - Early Cretaceous, 140-130 Ma
Phyllodon - Late Jurassic
Phyllodontosuchus - Early Jurassic
Physornis - Mid-Late Oligocene (Deseadan)~29.2-26.3 Ma
Piatnitzkysaurus - Middle Jurassic, 166-164 Ma
Piceoerpeton - Maastrichtian-Eocene
Pierolapithecus - Miocene
Pikaia - Middle Cambrian
Pinacosaurus - Late Cretaceous, 80-75 Ma
Pisanosaurus - Late Triassic, 228-216.5 Ma
Piscobalaena - Mid-Late Miocene (Mayoan-Huayquerian & Clarendonian)~11.608-5.332 Ma
Pissarrachampsa - Late Cretaceous, Campanian-Maastrichtian
Pistosaurus - Middle Triassic, Anisian-Ladinian
Pitekunsaurus - Late Cretaceous, Campanian
Piveteausaurus - Middle Jurassic, 164 Ma
Placerias - Late Triassic, 220-216 Ma
Placochelys - Mid to Late Triassic
Placodus - Middle Triassic, 245-235 Ma
Planicoxa - Early Cretaceous, 140-125 Ma
Platalearostrum - Middle Pliocene to Early Pleistocene
Plataleorhynchus - Early Cretaceous
Platecarpus - Late Cretaceous, 84-81 Ma
Plateosaurus - Late Triassic, 214-204 Ma
Platybelodon - Miocene, 15-10 Ma
Platyceratops - Unavailable
Platycraniellus - Early Triassic
Platygonus - Miocene to Pleistocene, 10.3-0.011 Ma
Platyhystrix - Late Carboniferous - Early Permian, 301-298 Ma
Platyoposaurus - Middle Permian
Platypterygius - Early - Late Cretaceous
Platysomus - Early Carboniferous-Late Permian
Plesiadapis - Late Paleocene-Early Eocene[1]
Plesiobalaenoptera - Late Miocene
Plesiohadros - Late Cretaceous, 80-75 Ma
Plesioplatecarpus - Late Cretaceous, 88-84 Ma
Plesiopleurodon - Late Cretaceous, 98 Ma
Plesiosaurus - Early Jurassic, 199.6-175.6 Ma
Plesiosuchus - Late Jurassic, 154-149 Ma
Plesiotylosaurus - Late Cretaceous, 70 Ma
Pliobatrachus - Cretaceous-Pleistocene 130-Gelasian Ma
Pliocyon - 20.6-13.6 Ma Early Oligocene-Early Miocene
Pliohippus - Mid Miocene
Pliopithecus - Miocene
Plioplatecarpus - Late Cretaceous
Pliosaurus - Late Jurassic, 155.7-147 Ma
Plotosaurus - Late Cretaceous, 70 Ma
Pneumatoraptor - Late Cretaceous, 85 Ma
Podokesaurus - Early Jurassic, 183 Ma
Poekilopleuron - Middle Jurassic, 167.7-166.1 Ma
Pogonodon - Oligocene
Polacanthus - Early Cretaceous, 130-125 Ma
Polonosuchus - Late Triassic, 216-204 Ma
Polycotylus - Late Cretaceous
Polymerolepis - Late Silurian
Polyptychodon - Late Cretaceous, 101-89.3 Ma
Polysternon - Late Cretaceous, 84.9 Ma
Pontosaurus - 100 Ma Late Cretaceous
Poposaurus - Late Triassic, 216 Ma
Postosuchus - Late Triassic, 221-203 Ma
Potangaspis - Early Devonian, 420 Ma
Pradhania - Early Jurassic, Sinemurian
Prejanopterus - Early Cretaceous, 125 Ma
Prenocephale - Late Cretaceous, 80-75 Ma
Prenoceratops - Late Cretaceous 74.3 Ma
Preondactylus - Late Triassic, 228 Ma
Presbytherium - Paleocene
Prestosuchus - Late Triassic
Prionosuchus - Guadalupian, 270 Ma
Priscakoala - Early Miocene
Pristerodon - Late Permian
Pristerognathoides - Middle Permian
Pristerognathus - Middle Permian
Pristichampsus - Eocene
Proaigialosaurus - Late Jurassic
Proaracana - Early- Middle Eocene[1]
Probactrosaurus - Late Cretaceous, 96-88 Ma
Probrachylophosaurus - Late Cretaceous, 79 Ma
Proburnetia - Late Permian
Procaimanoidea - Eocene
Procariama - Late Miocene - Late Pliocene
Proceratosaurus - Middle Jurassic, 165 Ma
Procolophon - Late Permian-Late Triassic
Procompsognathus - Late Triassic, 210 Ma
Proconsul - Miocene (23-5 MYA)
Procoptodon - Pleistocene
Procynosuchus - Wuchiapingian, 260.4-253.8 Ma
Prodicynodon - Unavailable
Progalesaurus - Induan, 252.17-251.2 Ma
Proganochelys - Late Triassic, 210 Ma
Prognathodon - Late Cretaceous
Prolacerta - Early Triassic
Proplanicoxa - Early Cretaceous, 126 Ma
Propliopithecus - Mid Oligocene
Propyrotherium - Unavailable
Prorubidgea - Wuchiapingian, 260.9-254 Ma
Prosalirus - Early Jurassic[1]
Prosansanosmilus - Late Miocene
Prosaurolophus - Late Cretaceous, 75.5-74.0 Ma
Prosictodon - Middle Permian
Prosqualodon - Late Oligocene-Early Miocene (Deseadan-Friasian)~28.4-16.0 Ma
Protemnocyon - Unavailable
Protemnodon - Pleistocene
Protenodontosaurus - 235-201 Ma Triassic
Proterochersis - Unavailable
Proterogyrinus - Carboniferous 331-323 Ma
Proterosuchus - Early Triassic, 252-250 Ma
Protheriodon - Middle Triassic
Proticia - Early Eocene
Protictitherium - Miocene-Pliocene
Protobrama - Late Cretaceous
Protocaptorhinus - Early Permian
Protoceratops - Late Cretaceous, 75-71 Ma
Protocetus - Middle Eocene
Protognathosaurus - Middle Jurassic
Protohadros - Late Cretaceous, 95 Ma
Protome - Norian/Rhaetian of the Triassic
Protopteryx - Early Cretaceous, 131 Ma
Protorosaurus - Lopingian, 260-251 Ma
Protostega - Late Cretaceous, 83.5 Ma
Protosuchus - Early Jurassic
Protuberum - Middle Triassic
Protypotherium - Miocene (Deseadan-Huayquerian)~23.03-6.8 Ma
Provelosaurus - Capitanian~260 Ma
Prozostrodon - Late Triassic
Psephoderma - Late Triassic
Pseudamphicyon - 16.9-11.1 Ma Early Oligocene-Early Miocene
Pseudarctos - 16.9-11.1 Ma Early Oligocene-Early Miocene
Pseudochampsa - Late Triassic, 229 Ma
Pseudocyon - 23.3-7 Ma Early Miocene - Middle Miocene
Pseudocyonopsis - 16.9-11.1 Ma Early Oligocene-Early Miocene
Pseudolagosuchus - Middle Triassic, 236-234 Ma
Psilopterus - Mid Oligocene-Late Miocene[1] (Deseadan-Montehermosan)~29.0-5.3 Ma
Psittacopes - Middle Eocene
Psittacosaurus - Early Cretaceous, 126-101 Ma
Pteranodon - Late Cretaceous, 86-84.5 Ma
Pteraspis - Pragian
Pterodactylus - Early Tithonian, 150.8-148.5 Ma
Pterodaustro - Early Cretaceous, 105 Ma
Pterodon - 37-28 Ma Late Eocene - Early Oligocene
Pteroplax - Carboniferous
Pterorhynchus - Middle Jurassic, 164 Ma
Ptychodus - late Cretaceous, 112-70 Ma
Puentemys - Mid Paleocene~60-58 Ma
Puertasaurus - Late Cretaceous(see text)
Puijila - Late Oligocene - Early Miocene, 24-21 Ma
Pukyongosaurus - Early Cretaceous
Pulanesaura - Early Jurassic, Hettangian-Sinemurian
Pumiliopareia - Changhsingian, 254-252 Ma
Puntanipterus - Late Jurassic-Early Cretaceous
Purbeckodon - Early Cretaceous, 140 Ma
Purussaurus - Early-Late Miocene (Colhuehuapian-Montehermosan)20.4-5.3 Ma
Pycnodus - Late Cretaceous-Lutetian
Pycnonemosaurus - Late Cretaceous, 70 Ma
Pyozia - Middle Permian, 265.8-263 Ma
Pyrenasaurus - Late Eocene
Pyroraptor - Late Cretaceous 70.6 Ma
Pyrotherium - Oligocene (Deseadan)~28.4-23 Ma
Q (16 species)
Qantas - Early Triassic
Qantassaurus - Early Cretaceous
Qianichthyosaurus - Triassic, 232.0-221.5 Ma[1]
Qianosuchus - Middle Triassic, Anisian
Qianxisaurus - Middle Triassic, Ladinian
Qiaowanlong - Early Cretaceous, 100 Ma
Qijianglong - Late Jurassic
Qinglongopterus - Late Jurassic, 160 Ma
Qingxiusaurus - Late Cretaceous
Qiupalong - Late Cretaceous, 76.5 Ma
Quaesitosaurus - Late Cretaceous, 85-70 Ma
Quercylurus - Early Oligocene
Quetecsaurus - Late Cretaceous, Turonian
Quetzalcoatlus - Late Cretaceous, Upper Maastrichtian, 68 Ma
Quilmesaurus - Late Cretaceous, Campanian-Maastrichtian
Quinkana - Late Oligocene-Late Pleistocene
R (67 species)
Rahiolisaurus - Late Cretaceous, 72.1 Ma
Rahonavis - Late Cretaceous, 70 Ma
Rajasaurus - Late Cretaceous, 69 Ma
Rapator - Early Cretaceous, 105 Ma
Rapaxavis - Early Cretaceous, 120 Ma
Rapetosaurus - Late Cretaceous, 70 Ma
Raptorex - Late Cretaceous, 70 Ma
Raranimus - Middle Permian, 270 Ma
Ratchasimasaurus - Early Cretaceous, Aptian
Rayososaurus - Early Cretaceous
Rebbachisaurus - Early-Late Cretaceous
Redondasaurus - Late Triassic 221-201.6 Ma
Redondavenator - Late Triassic, 200 Ma
Regaliceratops - Late Cretaceous, 68.5-67.5 Ma
Reginaselache - Visean, 330 Ma
Regnosaurus - Early Cretaceous
Reiszia - Unavailable
Reiszorhinus - Early Permian
Remingtonocetus - Middle Eocene, 45-43.5 Ma
Repenomamus - Early Cretaceous, 125-123.2 Ma
Revueltosaurus - Late Triassic, 225-209.5 Ma
Rhabdodon - Late Cretaceous, 70 Ma
Rhachiocephalus - Late Permian
Rhamphinion - Early Jurassic
Rhamphocephalus - Middle Jurassic Bathonian
Rhamphodopsis - Middle Devonian
Rhamphorhynchus - Late Jurassic, 150.8-148.5 Ma
Rhamphosuchus - Miocene
Rhinconichthys - Cretaceous
Rhinesuchus - Late Permian
Rhinodipterus - Unavailable
Rhiodenticulatus - Early Permian, Sakmarian
Rhipaeosaurus - Middle Permian, Capitanian
Rhizodus - Carboniferous 330-300 Ma
Rhizosmilodon - Early Pliocene
Rhoetosaurus - Middle Jurassic, 171-167 Ma
Rhomaleosaurus - Early Jurassic, Toarcian
Rhopalodon - Middle Permian
Rhynchippus - Late Oligocene (Deseadan)~28.4-23.03 Ma
Rhynchosaurus - Middle Triassic, Anisian
Richardoestesia - Late Cretaceous, 76.5 Ma
Riebeeckosaurus - Capitanian
Rileyasuchus - Late Triassic
Rileymillerus - Late Triassic
Rinchenia - Late Cretaceous, 70 Ma
Rinconsaurus - Late Cretaceous
Riograndia - Late Triassic, 225 Ma
Riojasaurus - Late Triassic, 227-213 Ma
Riojasuchus - Late Triassic, 217-215 Ma
Robertia - Middle Permian-Late Permian, 265-260 Ma
Rocasaurus - Late Cretaceous
Rodhocetus - Lutetian
Rolfosteus - Frasnian
Romeria - Asselian/Sakmarian of the Permian
Rotaryus - Early Permian, 284-279.5 Ma
Rubeosaurus - Late Cretaceous, 74.6 Ma
Rubeostratilia - Early Permian
Rubidgea - Permian
Rugocaudia - Early Cretaceous, Aptian-Albian
Rugops - Late Cretaceous, 95 Ma
Rugosuchus - Early Cretaceous
Ruhuhucerberus - Late Permian
Rukwasuchus - middle Cretaceous, 100 Ma
Rukwatitan - 100 Ma Cretaceous
Russellosaurus - Late Cretaceous, Turonian
Rutiodon - Late Triassic
Ruyangosaurus - Early Cretaceous, Aptian-Albian
S (198 species)
Sacabambaspis - Dapingian-Sandbian, 470-455 Ma
Sacisaurus - Late Triassic, 225 Ma
Saghacetus - Late Eocene
Sahaliyania - Late Cretaceous, 68 Ma
Saharastega - Permian
Saichania - Late Cretaceous, 75-70 Ma
Saltasaurus - Late Cretaceous, 70 Ma
Saltoposuchus - Late Triassic, 220 Ma
Saltopus - Late Triassic, 228 Ma
Samburupithecus - late Miocene
Samrukia - Late Cretaceous, 84 Ma
Sanajeh - Late Cretaceous, 68 Ma
Saniwa - Eocene, 48 Ma
Sanjuansaurus - Late Triassic, 231.4 Ma
Sansanosmilus - Late Miocene
Santanadactylus - Albian, 112 Ma
Sapeornis - Early Cretaceous, 124.5-120 Ma
Sarahsaurus - Early Jurassic
Sarcocyon - Unavailable
Sarcolestes - Late Jurassic, 165 Ma
Sarcoprion - Permian, 259-254 Ma
Sarcosaurus - Early Jurassic, 194 Ma
Sarcosuchus - Early Cretaceous, 112 Ma
Sarkastodon - 35 Ma Late Eocene
Saturnalia - Late Triassic, 228 Ma
Saurichthys - Early Triassic-Middle Triassic
Saurodon - Cretaceous
Saurolophus - Maastrichtian, 70-68.5 Ma
Sauroniops - Late Cretaceous, 100 Ma
Sauropareion - Early Triassic, Induan
Sauropelta - Early Cretaceous, 108.5 Ma
Saurophaganax - Late Jurassic, 150 Ma
Sauropleura - Unavailable
Sauroposeidon - Early Cretaceous, 112 Ma
Saurornithoides - Late Cretaceous, 75 Ma
Saurornitholestes - Late Cretaceous, 77-69 Ma
Saurosphargis - Middle Triassic, 246 Ma
Saurosuchus - Late Triassic, 231.4 Ma
Scalopodontes - Late Permian
Scaloposaurus - Early Triassic
Scansoriopteryx - Callovian to Kimmeridgian, 165-156 Ma
Scapanorhynchus - Early Cretaceous-Miocene
Scaphognathus - Late Jurassic, 155.7-150.8 Ma
Scelidosaurus - Early Jurassic, 196.5-183 Ma
Schizooura - Early Cretaceous, 120 Ma
Scipionyx - Early Cretaceous, 113 Ma
Sciurumimus - Late Jurassic, 150 Ma
Sclerocephalus - Late Carboniferous - Early Permian, 301-297 Ma
Sclerorhynchus - Late Cretaceous
Sclerosaurus - Early-Middle Triassic, Olenekian-Anisian
Scolosaurus - Late Cretaceous, 76.5 Ma
Scullya - Capitanian
Scutellosaurus - Early Jurassic, 196 Ma
Scutosaurus - Lopingian, 254-252 Ma
Scylacognathus - Middle Permian, Capitanian
Scylacops - Late Permian
Scylacorhinus - Unavailable
Scylacosaurus - Permian
Scymnosaurus - Unavailable
Sebecus - Early Paleocene-Mid Miocene (Tiupampan-Laventan)~66-11.8 Ma
Secernosaurus - Late Cretaceous, Maastrichtian
Secodontosaurus - Cisuralian, 285-272.3 Ma
Sefapanosaurus - Early Jurassic, 200 Ma
Segisaurus - Early Jurassic, 183 Ma
Segnosaurus - Late Cretaceous, 90 Ma
Seitaad - Early Jurassic, Pliensbachian
Selenemys - Late Jurassic, 151 Ma
Sellacoxa - Early Cretaceous, 140 Ma
Selmasaurus - Late Cretaceous
Seminobatrachus - Thanetian - Ypresian, 57-54 Ma
Serendipaceratops - Early Cretaceous
Sericipterus - Late Jurassic, 160 Ma
Seymouria - Early Permian,
Shamosaurus - Early Cretaceous, Aptian-Albian
Shanag - Early Cretaceous, 130 Ma
Shantungosaurus - Late Cretaceous, Middle to Late Campanian
Shanweiniao - Early Cretaceous, 122 Ma
Shanxia - Late Cretaceous
Shanyangosaurus - Late Cretaceous
Shaochilong - Late Cretaceous, 92 Ma
Shastasaurus - Middle-Late Triassic, 235.0-205.6 Ma[1]
Shenzhoupterus - Early Cretaceous, 120 Ma
Shenzhousaurus - Early Cretaceous, 125 Ma
Shidaisaurus - Middle Jurassic
Shihtienfenia - Capitanian, 260 Ma
Shixinggia - Late Cretaceous, 70 Ma
Shonisaurus - Late Triassic, 221.5-212.0 Ma[1]
Shunosaurus - Middle Jurassic, 170 Ma
Shuvosaurus - Late Triassic
Shuvuuia - Late Cretaceous, 75 Ma
Shweboemys - Early Paleocene to present
Siamodon - Early Cretaceous, Aptian
Siamosaurus - Early Cretaceous, 130 Ma
Siamotyrannus - Early Cretaceous, 145-125 Ma
Siats - Late Cretaceous, 98.5 Ma
Sigilmassasaurus - Upper Cretaceous, 100-94 Ma
Silesaurus - Late Triassic, 230 Ma
Sillosuchus - Late Triassic
Silvanerpeton - Early Carboniferous Brigantian
Silvisaurus - Late Cretaceous, 96-93.5 Ma
Similicaudipteryx - Early Cretaceous, 124-120 Ma
Simolestes - 170-145 Ma Middle-Late Jurassic
Simorhinella - Late Permian
Simosuchus - Late Cretaceous, 70 Ma
Sineleutherus - Jurassic, Bathonian-Oxfordian
Sinerpeton - Unavailable
Sinobaatar - Early Cretaceous
Sinocalliopteryx - Early Cretaceous, 124.6 Ma
Sinoceratops - Late Cretaceous, 72 Ma
Sinocoelurus - Upper Jurassic
Sinoconodon - Early Jurassic
Sinodelphys - Early Cretaceous, 125 Ma
Sinokannemeyeria - Anisian, 243.53 Ma
Sinopa - Eocene-Early Oligocene
Sinophoneus - Middle Permian, 270 Ma
Sinopliosaurus - Early Cretaceous
Sinopterus - Early Cretaceous, 120 Ma
Sinornithoides - Early Cretaceous, 113 Ma
Sinornithomimus - Late Cretaceous, 92 Ma
Sinornithosaurus - Early Cretaceous, 124.6-122 Ma
Sinosauropteryx - Early Cretaceous, 124.6-122 Ma
Sinosaurus - Early Jurassic, 201-196 Ma
Sinotherium - Miocene-Pliocene
Sinotyrannus - Early Cretaceous, 120 Ma
Sinovenator - Early Cretaceous, 125 Ma
Sinraptor - Late Jurassic, 160 Ma
Sivapithecus - 12.5-8.5 Ma Miocene
Sivatherium - Pliocene to Holocene, 5-0.008 Ma
Skorpiovenator - Late Cretaceous, 95 Ma
Sludica - Late Permian
Smilodectes - 55-50 Ma Early Eocene
Smilodon - Early Pleistocene to Early Holocene, 2.5-0.01 Ma
Smilosuchus - Late Triassic
Smok - Late Triassic, 205-200 Ma
Solenodonsaurus - Westphalian, 313-304 Ma
Sonidosaurus - Late Cretaceous
Sonorasaurus - Unavailable
Sordes - Late Jurassic, 155.7 Ma
Spathobatis - Late Jurassic
Sphaerotholus - Late Cretaceous, 73 Ma
Sphenacanthus - Early Carboniferous
Sphenacodon - Pennsylvanian to Cisuralian, 300-280 Ma
Sphenocephalus - Late Cretaceous
Sphenonectris - Unavailable
Sphenosaurus - Permian
Spinophorosaurus - Middle Jurassic, 167 Ma
Spinops - Late Cretaceous, 76.5 Ma
Spinosaurus - Early-Late Cretaceous, 112-93.5 Ma
Spinostropheus - Middle Jurassic
Spitrasaurus - Late Jurassic
Squalicorax - Late Cretaceous
Squalodon - Oligocene-Miocene
Stagonolepis - Late Triassic, Carnian
Stahleckeria - Middle Triassic
Staurikosaurus - Late Triassic, 225 Ma
Stegoceras - Late Cretaceous, 77.5-74 Ma
Stegomastodon - Pliocene-Late Pleistocene~4.9-0.03 Ma
Stegosaurus - Late Jurassic, 155-150 Ma
Stenaulorhynchus - Middle Triassic, Anisian
Steneosaurus - 183-163 Ma Toarcian - Callovian
Stenocybus - Middle Permian, 270 Ma
Stenopelix - Early Cretaceous, 127 Ma
Stenopterygius - Early Jurassic, 183-179 Ma
Stensioella - Emsian
Stereorhachis - Late Carboniferous
Steropodon - Early Cretaceous
Stethacanthus - 382.7-323.2 Ma Late Devonian to Early Carboniferous
Sthenurus - Pleistocene
Stokesosaurus - Late Jurassic, 150 Ma
Stomatosuchus - 100-94 Ma Cenomanian
Stormbergia - Early Jurassic, 199-189 Ma
Stratesaurus - Early Jurassic, 199.6-198 Ma
Stratiotosuchus - Late Cretaceous, Campanian-Maastrichtian
Streptospondylus - Middle Jurassic, 161 Ma
Stromerius - Late Eocene
Strunius - Late Devonian
Struthiocephalus - Capitanian, 265-260 Ma
Struthiomimus - Late Cretaceous, 77 Ma
Struthiosaurus - Late Cretaceous, 85 Ma
Stupendemys - Late Miocene-Early Pliocene (Huayquerian-Montehermosan)~9.0-5 Ma
Stygimoloch - Late Maastrichtian, 66 Ma
Styracocephalus - Capitanian, 265.8-260.4 Ma
Styracosaurus - Late Cretaceous, 75.5-75 Ma
Styxosaurus - Late Cretaceous, 83.5-80.5 Ma
Suchogorgon - Late Permian
Suchomimus - Early Cretaceous, 125-112 Ma
Sulaimanisaurus - Late Cretaceous, Maastrichtian
Sulcusuchus - Late Cretaceous
Suminia - Late Permian, 260 Ma
Supersaurus - Late Jurassic, 153 Ma
Supradapedon - Middle - Late Triassic
Suuwassea - Late Jurassic
Sveltonectes - Early Cretaceous, 126 Ma
Sycosaurus - Late Permian[1] 259-252.3 Ma
Synostocephalus - Unavailable
Syodon - Middle Permian 267-260 Ma
Syrtosmilus - Late Miocene
Szechuanosaurus - Late Jurassic, 160 Ma
T (162 species)
Tachiraptor - Early Jurassic
Tacuarembemys - Late Jurassic
Tadzhikosuchus - Late Cretaceous
Takracetus - Middle Eocene
Talarurus - Late Cretaceous, 90 Ma
Talenkauen - Late Cretaceous, 96.2 Ma
Talos - Campanian, 75.95 Ma
Talpanas lippa - Holocene 4050 BCE (Holocene)
Tambachia - Early Permian, 284-279.5 Ma
Tambatitanis - Early Cretaceous
Tangvayosaurus - Early Cretaceous
Tanius - Late Cretaceous, Campanian
Taniwhasaurus - Late Cretaceous
Tanycolagreus - Late Jurassic, 153-150 Ma
Tanystropheus - Middle Triassic, 245-228 Ma
Tanytrachelos - Late Triassic
Taognathus - Unavailable
Tapejara - Aptian-Albian, 112 Ma
Tapinocaninus - Wordian
Tapinocephalus - Guadalupian epoch, Capitanian stage
Tapuiasaurus - Early Cretaceous, 120 Ma
Tarascosaurus - Late Cretaceous, approximately 80 Ma
Tarbosaurus - Late Cretaceous, 70 Ma
Tarchia - Late Cretaceous, 75-70 Ma
Tarjadia - Middle Triassic, Anisian-Ladinian
Tastavinsaurus - Early Cretaceous
Tatankacephalus - Early Cretaceous, 108.5 Ma
Tatankaceratops - Late Maastrichtian, 66 Ma
Tataouinea - Albian
Tatenectes - Late Jurassic, Oxfordian
Tatisaurus - Early Jurassic, Sinemurian
Taveirosaurus - Late Cretaceous
Tawa - Late Triassic, 215 Ma
Tazoudasaurus - Early Jurassic, Toarcian [1]
Technosaurus - Late Triassic, 210 Ma
Tehuelchesaurus - Late Jurassic
Teilhardina - 56-47 Ma Early Eocene - Middle Eocene
Teinolophos - Early Cretaceous
Teleidosaurus - Bajocian - Bathonian, 168-167 Ma
Teleosaurus - 171-164 Ma Bajocian - Bathonian
Telicomys - Late Miocene (Mayoan-Huayquerian)~11.608-7.246 Ma [1]
Telmatosaurus - Late Cretaceous, 70 Ma
Temnocyon - Oligocene-Early Miocene
Temnodontosaurus - Early Jurassic, Hettangian-Toarcian
Tendaguria - Late Jurassic, 155 Ma
Tendaguripterus - Late Jurassic
Tenontosaurus - Early Cretaceous, 115-108 Ma
Teraterpeton - Late Triassic
Teratophoneus - Late Cretaceous, 77-76 Ma
Teratosaurus - Late Triassic, 216-204 Ma
Termatosaurus - Late Triassic
Terminonatator - Late Cretaceous, Campanian
Terrestrisuchus - Late Triassic
Tetanopsyrus - Lochkovian
Tethysaurus - Late Cretaceous, 93-89 Ma
Tethyshadros - Late Cretaceous
Tetraceratops - Leonardian stage, 275 Ma
Tetracynodon - Late Permian - Early Triassic
Tetrapodophis - Early Cretaceous
Texacephale - Late Campanian, 77 Ma
Texasetes - Early Cretaceous, 100 Ma
Teyumbaita - Norian
Thadeosaurus - Changhsingian - Induan 253.8-249.7 Ma
Thalassiodracon - Rhaetian - Hettangian
Thalassodromeus - Albian-Aptian
Thalassomedon - Late Cretaceous, 95 Ma
Thalattoarchon - Middle Triassic, 247.2-242.0 Ma[1]
Thecodontosaurus - Late Triassic-Early Jurassic,[1] 203.6-199.6 Ma
Theiophytalia - Early Cretaceous, 112 Ma
Thelodus - Silurian
Theosodon - Early Miocene
Theriognathus - Wuchiapingian, 260.4-253.8 Ma
Therizinosaurus - Late Cretaceous, 70-66 Ma
Theropsodon - Middle Triassic
Thescelosaurus - Late Cretaceous, 66 Ma
Thililua - Late Cretaceous, Turonian
Thrinaxodon - Early Triassic, 251-247 Ma
Thrissops - Late Jurassic-Late Cretaceous
Thylacoleo - late Pliocene-late Pleistocene
Thylacosmilus - Late Miocene-Piacenzian~9-3 Ma
Tianchisaurus - Jurassic
Tianyulong - Late Jurassic, 158.5 Ma
Tianyuraptor - Early Cretaceous, 122 Ma
Tianzhenosaurus - Late Cretaceous
Tiarajudens - Capitanian, 260 Ma
Tichvinskia - Early Triassic
Tienshanosaurus - Late Jurassic
Tiktaalik - Late Devonian, 375 Ma
Timurlengia - Late Cretaceous, 90 Ma
Tirraturhinus - Unavailable
Titanichthys - Famennian
Titanis - Blancan-Gelasian,[1] 4.9-1.8 Ma
Titanoboa - Paleocene, 60-58 Ma
Titanoceratops - Late Cretaceous, 74.73-73.55 Ma
Titanocetus - Serravallian
Titanoides - Late Paleocene, 59-56 Ma
Titanophoneus - Middle Permian,265 Ma
Titanosaurus - Late Cretaceous, 70 Ma
Titanosuchus - Capitanian, 265 Ma
Tochisaurus - Late Cretaceous, 69 Ma
Togocetus - 46-44 Ma
Tohoraata - Late Oligocene, 27.3-25.2 Ma
Tokarahia - Late Oligocene, 27.3-25.2 Ma
Tokosaurus - Late Permian, 264 Ma
Tomarctus - early to middle Miocene 20.43-13.6 Ma
Tonganosaurus - Early Jurassic
Toretocnemus - Triassic, 235.0-221.5 Ma[1]
Tornieria - Late Jurassic, 150 Ma
Torosaurus - Late Cretaceous, 68 Ma
Torvoneustes - Late Jurassic, 157.3-152.1 Ma
Torvosaurus - Late Jurassic, 153-148 Ma
Tototlmimus - 72 Ma Campanian
Toxochelys - Late Cretaceous
Toxodon - Late Miocene-Late Pleistocene (Mayoan-Lujanian)~11.6-0.011 Ma
Toyotamaphimeia - Pleistocene
Tranatocetus - Late Miocene, 9.6-8 Ma
Traukutitan - Upper Cretaceous, Santonian
Traversodon - Late Triassic
Tremataspis - Late Silurian
Trematochampsa - Late Cretaceous
Trematolestes - Middle Triassic
Trematosaurus - Early Triassic
Triadobatrachus - Early Triassic, 250 Ma
Triceratops - Late Cretaceous, 68 Ma
Tricleidus - Middle Jurassic, Callovian
Trigodon - Late Miocene-Pliocene (Mayoan-Montehermosan)~11.608-4.0 Ma
Trigonosaurus - Late Cretaceous
Trilophosaurus - Late Triassic, Carnian-Norian
Trimucrodon - Late Jurassic
Trinacromerum - Late Cretaceous
Trinisaura - Late Cretaceous, 80 Ma
Triodus - Permian
Trirachodon - Early Triassic - Middle Triassic
Tristychius - Early Carboniferous
Tritemnodon - Eocene
Trithelodon - Lower Jurassic
Tritylodon - Early Jurassic
Trochosaurus - Permian
Trochosuchus - Unavailable
Troodon - Late Cretaceous, 77.5-76.5 Ma
Tropeognathus - Aptian-Albian, 112 Ma
Tropidostoma - Late Permian
Trucidocynodon - Late Triassic, 220 Ma
Tsaagan - Late Cretaceous, 75 Ma
Tsagantegia - Late Cretaceous, 90 Ma
Tseajaia - Permian
Tsintaosaurus - Late Cretaceous, 70 Ma
Tsoabichi - Eocene
Tubonasus - Frasnian
Tugulusaurus - Early Cretaceous, Barremian - Albian
Tuojiangosaurus - Late Jurassic, 160 Ma
Tupandactylus - Early Cretaceous, 112 Ma
Tupuxuara - Albian, 112 Ma
Turanoceratops - Late Cretaceous, 90 Ma
Turiasaurus - Late Jurassic, 145 Ma
Turkanapithecus - Miocene 28.4-11.61 Ma
Tylocephale - Late Campanian, 80-70 Ma
Tylocephalonyx - 23.03-5.33 Ma Miocene
Tylosaurus - Late Cretaceous, 86.5-75 Ma
Tyrannoneustes - Middle Jurassic
Tyrannosaurus - Late Cretaceous, 68 Ma
Tyrannotitan - Early Cretaceous, 118 Ma
U (21 species)
Uatchitodon - Late Triassic
Uberabatitan - Late Cretaceous, 67 Ma
Udanoceratops - Late Cretaceous, Campanian
Ugrunaaluk - Late Cretaceous, 69.2 Ma
Uintatherium - Eocene,45-37 Ma
Ulemica - Middle Permian, 265 Ma
Ulemosaurus - Capitanian, 265-260 Ma
Ultrasaurus - Early Cretaceous, 110-100 Ma
Unaysaurus - Late Triassic, 225 Ma
Undorosaurus - Late Jurassic,[1] 150.8-145.5 Ma
Unenlagia - Late Cretaceous, 89 Ma
Unescoceratops - Late Cretaceous, 76.5-75 Ma
Unquillosaurus - Late Cretaceous, 75 Ma
Unwindia - Late Cretaceous, Cenomanian
Urbacodon - Late Cretaceous
Ursus arctos crowtheri - Unavailable
Ursus spelaeus - Middle to Late Pleistocene, 0.25-0.027 Ma
Utahceratops - Late Cretaceous, 76.4-75.5 Ma
Utahraptor - Early Cretaceous, 126 Ma
Utatsusaurus - Early Triassic, 248-245 Ma
Uteodon - Upper Jurassic
V (38 species)
Vagaceratops - Late Cretaceous, 75 Ma
Vahiny - Maastrichtian, 70 Ma
Valdoraptor - Early Cretaceous, 136 Ma
Valdosaurus - Early Cretaceous
Vallecillosaurus - Late Cretaceous, 100 Ma
Vallesaurus - Late Triassic, Norian
Vampyrictis - Late Miocene
Vancleavea - 228-203.6 Ma Late Triassic
Varanodon - Early Permian, 271 Ma
Varanops - Early Permian, 279.5-272.5 Ma
Varanosaurus - Early Permian, 280 Ma
Varanus priscus - Pleistocene, 1.5-0.04 Ma
Variraptor - Late Cretaceous, 70 Ma
Vectidraco - Early Cretaceous, 124 Ma
Vectocleidus - Early Cretaceous, 127-125 Ma
Vegasaurus - Late Cretaceous, 72 Ma
Vegavis - Late Cretaceous, 68 Ma
Velafrons - Late Cretaceous, 72 Ma
Velociraptor - Late Cretaceous, 75-71 Ma
Velocisaurus - Late Cretaceous, 85 Ma
Venaticosuchus - Late Triassic
Venenosaurus - Early Cretaceous, 112 Ma
Venjukovia - Middle Permian, 267 Ma
Ventastega - 365 Ma Famennian (Late Devonian)
Veterupristisaurus - Late Jurassic, 154-150 Ma
Viavenator - Late Cretaceous, Santonian
Victoriaceros - Middle Miocene, 15 Ma
Vinialesaurus - Late Jurassic, Oxfordian
Vintana - Maastrichtian~70.6 Ma
Vishnucyon - Unavailable
Vitakridrinda - Late Cretaceous, 69 Ma
Vivaxosaurus - Late Permian
Viverra leakeyi - Late Miocene to Pleistocene
Vjushkovia - Early Triassic, Olenekian
Voay - Pleistocene - Holocene, 0.126-0 Ma
Volgadraco - Late Cretaceous
Volkheimeria - Middle Jurassic, 160 Ma
Vulcanodon - Early Jurassic, Toarcian 183-175 Ma
W (23 species)
Waipatia - Late Oligocene
Wakinosaurus - Early Cretaceous, Hauterivian-Barremian
Walgettosuchus - Early Cretaceous
Wangosaurus - Middle Triassic, 237 Ma
Wannanosaurus - Campanian, 80 Ma
Wannchampsus - Early Cretaceous, 112 Ma
Wargosuchus - Late Cretaceous, Santonian
Wendiceratops - Late Cretaceous, 79-78.7 Ma
Westlothiana - Visean, 338 Ma
Westollrhynchus - Unavailable
Westphaliasaurus - Early Jurassic, Pliensbachian
Willinakaqe - Upper Cretaceous, Campanian-Maastrichtian
Willungacetus - Oligocene
Wintonotitan - 100 Ma Early Cretaceous
Witwatia - 37-33 Ma Eocene
Wodnika - Late Permian
Wonambi - Miocene-Pleistocene 23.03-0.012 Ma
Woolungasaurus - Early Cretaceous
Wuerhosaurus - Early Cretaceous, uncertain
Wulagasaurus - Late Cretaceous, 69 Ma
Wulatelong - Late Cretaceous, Campanian
Wuttagoonaspis - Middle Devonian
Wyleyia - Early Cretaceous, 138 Ma
X (25 species)
Xenacanthus - Late Devonian-Triassic
Xenoceratops - Late Cretaceous, 79.5 Ma
Xenohystrix - Early Miocene-recent
Xenokeryx - 15 Ma Miocene
Xenoposeidon - Early Cretaceous,140 Ma
Xenorophus - Oligocene
Xenosmilus - Irvingtonian
Xenotarsosaurus - Late Cretaceous, 95 Ma
Xeradipterus - Frasnian
Xianglong - Early Cretaceous
Xiangornis - Lower Cretaceous
Xianshanosaurus - Early Cretaceous, Aptian-Albian
Xianshou - 160 Ma Oxfordian
Xiaosaurus - Middle Jurassic
Xiaotingia - Late Jurassic, 160 Ma
Xilousuchus - Early Triassic, 247 Ma
Xinjiangovenator - Early Cretaceous
Xinpusaurus - Late Triassic, Carnian
Xiongguanlong - Early Cretaceous, 112 Ma
Xiphactinus - Albian-Maastrichtian[1]
Xixiasaurus - Late Cretaceous, 86 Ma
Xixiposaurus - Early Jurassic
Xuanhanosaurus - Middle Jurassic
Xuanhuaceratops - Late Jurassic, 167.7-161.2 Ma
Xuwulong - Early Cretaceous, Aptian-Albian
Y (29 species)
Yacarerani - Late Cretaceous
Yaguarasaurus - Turonian, 90 Ma
Yamaceratops - Late Cretaceous
Yandusaurus - Middle Jurassic, Bathonian
Yangchuanosaurus - Middle Jurassic, 168.3-163.5 Ma
Yanoconodon - Early Cretaceous, 122 Ma
Yanornis - Early Cretaceous, 125-120 Ma
Yaverlandia - Lower Cretaceous
Yi - MIddle or Late Jurassic, 160 Ma
Yimenosaurus - Early Jurassic, 190 Ma
Yinlong - Late Jurassic, 158 Ma
Yixianopterus - Aptian of the Cretaceous
Yixianornis - Early Cretaceous, 120 Ma
Yixianosaurus - Early Cretaceous, 122 Ma
Ymeria - Late Devonian
Yongjinglong - Early Cretaceous
Youngina - Late Permian, 250 Ma
Youngosuchus - Middle Triassic
Ysengrinia - Late Oligocene-Early Miocene
Yuanmousaurus - Middle Jurassic
Yuanotherium - Oxfordian
Yueosaurus - Cretaceous, Aptian-Cenomanian
Yulong - Late Cretaceous, Late Cretaceous
Yunmenglong - Early Cretaceous, 125-100.5 Ma
Yunnanosaurus - Early Jurassic , 201-168 Ma
Yurgovuchia - Early Cretaceous, 130-125 Ma
Yurlunggur - Oligocene-Miocene, 23.03-11.608 Ma
Yutyrannus - Early Cretaceous, 124.6 Ma
Yuzhoupliosaurus - Middle Jurassic
Z (34 species)
Zaglossus hacketti - Pleistocene
Zalambdalestes - Late Cretaceous
Zalmoxes - 70 Ma
Zanabazar - Late Cretaceous, 70 Ma
Zapalasaurus - Early Cretaceous
Zapsalis - Late Cretaceous, 75 Ma
Zaraapelta - Late Cretaceous, 75-71 Ma
Zarafasaura - Late Cretaceous, Maastrichtian
Zby - Late Jurassic
Zenaspis - Early Devonian
Zephyrosaurus - Early Cretaceous, Aptian-Albian
Zhanghenglong - Late Cretaceous, 85 Ma
Zhangheotherium - Early Cretaceous, 125 Ma
Zhejiangopterus - Late Cretaceous, 81.5 Ma
Zhejiangosaurus - Late Cretaceous, 100.5-93.9 Ma
Zhenyuanlong - Early Cretaceous 125 Ma
Zhenyuanopterus - Early Cretaceous, 124.6 Ma
Zhongjianichthys - 535-525 Ma
Zhongornis - Early Cretaceous, 122 Ma
Zhongyuansaurus - Lower Cretaceous
Zhuchengceratops - Upper Cretaceous, 70 Ma
Zhuchengtyrannus - Late Cretaceous, 73.5 Ma
Zhyrasuchus - Late Cretaceous
Ziapelta - Campanian, 74.5-72.6 Ma
Zoneait - Middle Jurassic-170
Zulmasuchus - Early Paleocene (Tiupampan-Peligran)~65.5-61.7 Ma
Zuniceratops - Late Cretaceous, 91 Ma
Zuolong - Late Jurassic, 161.2-155.2 Ma
Zuoyunlong - Late Cretaceous, Cenomanian
Zupaysaurus - 200-197 Ma Late Triassic to Early Jurassic
Zygomaturus - Pleistocene
Zygophyseter - Tortonian
Zygorhiza - Late Eocene
Zygosaurus - Middle Permian
PaleoCodex is a weekend hack by Saurav Mohapatra