In Depth Clevosaurus is a genus of small lepidosaurian lizard that as a genus had a near global dsitribution during the Triassic and early Jurassic. Further Reading – A new Triassic rhynchocephalian from Gloucestershire. Annals and Magazine of Natural History: Zoology, Botany, and Geology 4:591-594. – W. E. Swinton – 1939. – The Osteology and … Read more
In Depth At various times Proaigialosaurus has been considered to be a pleurosaur, a sphenodont to even a primitive member of the Aigialosauridae, hence the name Proaigialosaurus which means ‘before Aigialosaurus’, a reference to the type genus of this group. However the Aigialosauridae contains some of the primitive mosasaurs, and most of the genera from … Read more