These changes separate the reptiles from the amphibians. #1, the evolution of stronger, more effective jaw mechanisms, is the subject of this lecture and one topic in last week’s lab. The other ...

The skull of the ancient amphibian ... Researchers unearthed a large cache at the site, including the remains of ancient ...

along with reptiles, birds and mammals. The unique features of the Kermitops skull – a blend of archaic and more advanced features – are providing insight into amphibian evolution.