Species Classification: ‭ ‬Polycotylinae.

Polycotylus: Research Database Polycotylidae (Plesiosauria) · Late Cretaceous (~80–70 MYA) · North America — Kansas, Morocco (Niobrara Formation / Phosphates)   Research Note: Polycotylus was a polycotylid plesiosaur from the Late Cretaceous of North America and Morocco — a short-necked plesiosaur with a distinctive long skull. As a member of the Polycotylidae, it provides data … Read more

In Depth        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.‭ … Read more