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meaning: "Shaped fin tooth"
Named By: Richard Owen in 1841
Time Period: Late Cretaceous, 101-89.3 Ma
Location: England, France and the USA, Texas
Size: Roughly estimated at about 7 meters long
Diet: Carnivore/Piscivore
Fossil(s): Teeth with some jaw material and vertebrae
Classification: | Chordata | Reptilia | Sauropterygia | Plesiosauria | Pliosauroidea | Pliosauridae |

Polyptychodon (meaning 'shaped fin tooth') is a genus of pliosaurid found Middle-Late Cretaceous marine deposits in southern England. It has been considered a nomen dubium in a 2016 review.

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