Name: Eopolycotylus ‭(‬Dawn Polycotylus‭)‬.
Phonetic: E-oh-pol-e-cot-e-lus.
Named By: L.‭ ‬B.‭ ‬Albright,‭ ‬D.‭ ‬D.‭ ‬Gillette‭ & ‬A.‭ ‬L.‭ ‬Titus‭ ‬-‭ ‬2007.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Sauropterygia,‭ ‬Plesiosauria,‭ ‬Polycotylidae,‭ ‬Polycotylinae.
Species: E.‭ ‬rankini‭ (‬type‭)‬.
Diet: Piscivore/Carnivore.
Size: Unavailable.
Known locations: USA‭ ‬-‭ ‬Utah‭ ‬-‭ ‬Tropic Shale Formation.
Time period: Turonian of the Cretaceous.
Fossil representation: Almost complete individual.

       Eopolycotylus is another example of one of the short necked/long jawed polycotylid plesiosaurs of the Cretaceous era.‭ ‬The genus name Eopolycotylus means‭ ‘‬Dawn Polycotylus‭’ ‬and is a‭ ‬reference to the earlier appearance of Eopolycotylus in the fossil record to Polycotylus,‭ ‬the type genus of the Polycotylidae.‭ ‬The type species name honours David O.‭ ‬Rankin who discovered the type specimen in‭ ‬2001.‭
       The long jaws and needle-like teeth of Eopolycotylus indicate that it was a hunter of fish and possibly other small marine organisms.‭ ‬Eopolycotylus itself however may have been prey to large Cretaceous era pliosaurs such as Brachauchenius which is also known from the Tropic Shale Formation.‭ ‬Another polycotylid plesiosaur from this formation that was also named in the same year as Eopolycotylus is Palmulasaurus.

Further reading
- Plesiosaurs from the Upper Cretaceous (Cenomanian-Turonian) Tropic Shale of southern Utah, part 2: Polycotylidae. - Journal of Vertebrate Paleontology 27(1):41-58. - L. B. Albright, D. D. Gillette & A. L. Titus - 2007.


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