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 ...
Kermit the Frog meet Kermitops gratus, the most recent ancient amphibian to be identified after examination of a tiny ...
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 ...