Dolichorhynchops osborni Purussaurus Snout-tail base length 243 mm

Snout-tail base length 243 mm

which was around 1

mottled companion responds with a snap of its teeth before quickening its pace

in a diverse ecosystem shared with large dinosaurs such as Triceratops

may not have been optimal for actively hunting agile prey

Dolichorhynchops osborni Purussaurus Snout-tail base length 243 mmDolichorhynchops 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,