J488 - Ultra Rare Pachycephalosaurus wyomingensis Foot Claw - Late Cretaceous - Hell Creek Fm Deanaspis golfussi †Choffaticeras sp

†Choffaticeras sp

Canada (32: Alberta-British Columbia

It has only been excavated from the matrix in order to make it visible

with high concentrations of OH−

carbonate (32)

J488 - Ultra Rare Pachycephalosaurus wyomingensis Foot Claw - Late Cretaceous - Hell Creek Fm Deanaspis golfussi †Choffaticeras spPachycephalosaurus wyomingensis, a thick skulled herbivorous dinosaur from the Late Cretaceous (approx. 70 66 million years ago), has been discovered in the Hell Creek Formation of South Dakota. Fossil evidence, including vertebrae and cranial material, indicates they inhabited the region alongside T. rex and Triceratops. South Dakota Finds: Notable fossils, including vertebrae (e. g., specimen V7019), have been recovered from the Hell Creek