Priscacara, Green River Fossil Fish Ouranosaurus This is a greatly enlarged

This is a greatly enlarged sculpture of a Megalodon tooth

The name means "Mixed Lizard"

it is understandable why they escaped v

and four actual rib fragments in articulation with the vertebrae

and several species have been described based on abnormal teeth

Priscacara, Green River Fossil Fish Ouranosaurus This is a greatly enlargedThe genus Priscacara is perhaps the most popular of the Green River fish fossils. A member of the Family Priscacaridae, the name Priscacara means "primitive head". Shaped rather like a sunfish, the genus sports sturdy, protective dorsal and anal spines. Among the two species, liops and serrata, serrata is uncommon. Liops is the smaller species, never exceeding 6 inches, whereas serrata have been found up to 14 inches. The genus went extinct at the end