👉 Eupatridae is a family of extinct marine reptiles. They were part of the class Eupatorium, which also included turtles and crocodilians. The order was later divided into two main groups: the "Ocicodontidae" (which are known today as plesiosaurs) and the "Eupatridae". These families evolved from a single ancestral group that includes reptiles and birds. Eupatridae were widespread in Europe, North Africa