This early tetrapod from the side of the road in Clinton County, Pennsylvania, was the first evidence of these early tetrapods from all of North America. That made it very exciting. Think about ...

Scientists at the University of Geneva have researched Chromosphaera perkinsii and believe they may have the answer.

This book is the first attempt to collate all the information known to date ... A review of the British Middle Triassic tetrapod assemblages Michael J. Benton, Geoffrey Warrington, Andrew J. Newell ...