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meaning: "double horn"
Named By: Hyatt in 1900
Time Period: Cretaceous
Location: Worldwide distribution with fossil site locations including Antarctica - Lopez de Bertodano Formation, Santa Marta Formation. Australia - Korojon Calcarenite Formation, Miria Formatio. Belgium - Craie de Ciply Formation, Maastricht Formation. Chile - Quiriquina Formation, Rio Blanco Formation, Santa Ana Formation. Denmark - Danish White Chalk Formation. France - Craie de Valognes Formation, Les Vignes Formation. Greenland. Japan - Senpohshi Formation. Netherlands - Maastricht Formation. Russia. South Africa. Spain - Vallcarga Formation. Tunisia. USA, Alabama - Prairie Bluff Formation;, Alaska - Kaguyak Formation, Matanuska Formation; California - Moreno Formation; Mississippi - Prairie Bluff Formation; Texas - Corsicana Marl Formation, Escondido Formation
Size: Large individuals had shells up to 2 meters across (4 meters or more when you account for the shell winding)
Diet: Carnivore/Piscivore
Fossil(s): Well over a hundred specimens known from shells with varying degrees of preservation
Classification: | Animalia | Mollusca | Cephalopoda |
Also known as: | Eudiplomoceras |

Diplomoceratidae is a family of ammonites included in the order Ammonitida. Fossils of species within this genus have been found in the Cretaceous sediments.(age range: from 99.7 to 66.043 million years ago).

Read more about Diplomoceras at Wikipedia
PaleoCodex is a weekend hack by Saurav Mohapatra