Mesenosaurus
In Depth Mesenosaurus is a genus of varanopid pelycosaur that lived in Russia during the Permian. Further Reading - Some new Permian reptiles of the USSR. -Academy of Sciences URSS, C. R., 19: 121-126. - Efremov - 1938. - The skull of Mesenosaurus romeri, a small varanopseid (Synapsida: Eupelycosauria) from the Upper Permian of the … Read more