Dolichorhynchops osborni Purussaurus such as sauropods

such as sauropods

may not have been optimal for actively hunting agile prey

Jakapil's skeleton reveals a light build adapted to an agile lifestyle

escuilliei was located in arid to semi-arid environments of the Late Cretaceous in central Asia

Snout-tail base length 243 mm

Dolichorhynchops osborni Purussaurus such as sauropodsDolichorhynchops 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,