These pictures show dinosaur fossil eggs. It is thought more spherical or round eggs belong to herbivores while narrow and long eggs belon...

This picture appears to show a  Dasciocrinus sp.  (Kirk, 1939) crinoid calyx fossil. It was found in the Big Clifty Formation of Crawford...

These pictures appear to show Paladin chesterensis (Weller and Weller, 1936) trilobite fossils. They were found in the Big Clifty Format...