although no direct evidence has been found in the discovered fossils

Ticinosuchus ferox is a basal archosaur that lived in the Middle Triassic

This dental combination indicates an opportunistic and specialized feeding strategy

shows some early adaptations

Dolichorhynchops osborni Variant:Unprimed although no direct evidence hasDolichorhynchops osborni was a marine reptile belonging to the plesiosaur group, specifically a polycotylid , that lived during the Late Cretaceous period , approximately 9288 million years ago, when the vast Western Interior Seaway covered central North America. Unlike the classic long necked plesiosaurs, Dolichorhynchops had a short neck, a large head, and a streamlined body , making it a fast and highly efficient swimmer. Its size was considerable,