“Crassigyrinus was an early tetrapod from the early Carboniferous period of Scotland...Crassigyrinus
“Proterogyrinus was an anthracosaur, a large group of reptilian reptiliomorphs. It is likely that...Proterogyrinus
“Vieraella is an extinct genus of frog from the Jurassic period of Argentina, and the oldest true...Vieraella
“Mastodonsaurus was a large-headed temnospondyl that belonged to a group of advanced, mostly...Mastodonsaurus
“Koolasuchus was a large Cretaceous amphibian that lived on the continent of Australia. It was a...Koolasuchus
This category has the following 12 subcategories, out of 12 total.