Exaeretodon frenguelli skull fossil loaned from the Museum of Comparative Zoology, President and Fellows of Harvard College. Accession n...

Prestosuchus  cast skeleton shown in this image is a rauisuchian archosaur that is related to crocodiles. It existed in the Late Triassic...

This first dinosaur skeleton cast is of an Eoraptor lunensis . It was found in Ischigualasto National Park, Argentina, South America. Its ...