by sysadmin | May 30, 2016 | Blog
Pliosauroidea Rib bone cross section replaced by Pyrite- Volga RIver, Village of Gorodishche, Ulyanovsk, Russia. 2″ across Pliosauroidea is an extinct clade of marine reptiles. Pliosauroids, also commonly known as pliosaurs, are known from the Jurassic and...
