Priscacara, Green River Fossil Fish Ouranosaurus and four actual rib fragments

and four actual rib fragments in articulation with the vertebrae

resulting in a different crystal shape

It had dog-like crushing teeth

it is understandable why they escaped v

Phareodus was more common in Fossil Lake and rarely occurs in Lake Gosiute or Lake Uinta

Priscacara, Green River Fossil Fish Ouranosaurus and four actual rib fragmentsThe 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