Dolichorhynchops osborni Purussaurus Snout-tail base length 243 mm

Snout-tail base length 243 mm

with a large abdominal cavity that would have housed a voluminous digestive system necessary for fermenting fibrous plants

con una cola larga y fuerte que servía como contrapeso y ayudaba en los giros rápidos durante la persecución de presas

in a diverse ecosystem shared with large dinosaurs such as Triceratops

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,