This is a cast of the front limbs of a  Deinocheirus mirificus  dinosaur fossil. It was collected by Z. Kielan-Jaworowska in 1965 at Alta...

This is the skull and jaws of a  Struthiomimus altus  dinosaur fossil. This animal resembled a modern ground bird and classified as a orn...

This is a cast of sword ray pectoral fin of a Xiphactinus audax . It was collected by M. Triebold in 1993 at Lane County Kansas USA. Foss...