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 ...

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 ...

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 ...

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 ...

According to a new study in the Zoological Journal of the Linnean Society, Kermitops gratus was a proto-amphibian that lived 270 million years ago and possessed a skull that could fit in the palm ...

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 ...

Scientists have uncovered the fossilized skull of a 270-million-year-old ancient amphibian ancestor in the collection of the Smithsonian’s National Museum of Natural History.

Linked with this advance is a more flexible cranial-vertebral joint. In modern amphibians (Lissamphibians), there is a convex pair of occipital condyles on the back of the skull, which insert into a ...