Notopocorystes eichhorni, crab Protoceratops 620 million years old

620 million years old

The original specimen for this cast is from the collection of Curt Talbot and was cast with his permission

6---styxosaurus

Its genus placement is still debated

This is a brain endocast of Allosaurus

Notopocorystes eichhorni, crab Protoceratops 620 million years oldThis fossil crab is from the late Cretaceous, Bearpaw Shale, of northern Montana. During the late Cretaceous North America was split in two by an inland seaway that ran from the Arctic to the Gulf of Mexico. The seaway ran through central Montana, east of the ancestral Rocky Mountains, and was inhabited by a rich fauna of marine life such as this crab, Notopocorystes. Shipping Included