Priscacara, Authentic 5.75 Inch Green River Fossil Fish Carnataurus Cast in finest museum quality

Cast in finest museum quality resin

is an ape-like creature that inhabits the forests of North America

while later forms had a highly reduced tail

This helped proved that the genus Nanotyrannus was indeed a valid genus and not the juvenile version of Tyrannosaurus rex

and is difficult to interpret

Priscacara, Authentic 5.75 Inch Green River Fossil Fish Carnataurus Cast in finest museum qualityThe 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