So many fossils were collected at the time that it became impossible to study them all in detail at once, and the proto-amphibian skull spent decades waiting in the museum for a researcher to take ...

Kermitops is notable for more than just its namesake puppet persona. The early fossil record of amphibians and their ancestors is largely fragmentary, which makes it difficult to understand how ...

3. Dermal skull roof or dermatocranium A shield of membrane or dermal bone covering the top and sides of the head and extending down to the jaw rims, with a marginal row of teeth. In amphibians & stem ...

It belongs to a lineage believed to have given rise to the three living branches of amphibians – frogs, salamanders and limbless caecilians. While only the skull – measuring around 1.2 inches ...

Fossil of Apateon pedestris, a 7cm-long larval amphibian. This 300-million-year-old specimen is so well preserved that you can see the entire outline of the body, the shape of the long tail, the ...

Calvin So (left), a doctoral student at George Washington University, and Arjan Mann (right), a Smithsonian postdoctoral paleontologist and former Peter Buck Fellow, with the fossil skull of ...