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Diplocaulus (meaning "double stalk") is an extinct genus of lepospondyl amphibians which lived from the Late Carboniferous to the Late Permian of North America and Africa. Diplocaulus is by far the largest and best-known of the lepospondyls, characterized by a distinctive boomerang -shaped skull .
The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomina dubia), or were not formally published (nomina nuda), as well as junior synonyms of more established names, and genera that are no longer considered amphibians. Modern forms are excluded from this list.
This list of the prehistoric life of Virginia contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of ...
Eocaecilia shared some characteristics with salamanders and the now extinct microsaur amphibians. It was of small size, about 15 cm in length. It was of small size, about 15 cm in length. Unlike modern caecilians, which are legless, Eocaecilia possessed small legs, and while modern caecilians have poorly developed eyes and spend a lot of time ...
Swallowing was done by tipping the head back, as seen in many modern amphibians and in crocodiles. Evolution of a deeper skull, better jaw control and a reduction of the palatine tusks is only seen in the more advanced reptile-like forms, possibly in connection with the evolution of more effective breathing, allowing for a more refined hunting ...
Prehistoric amphibian genera (139 P) A. Albanerpetontidae (8 P) C. Cenozoic amphibians (8 C, 1 P) M. Mesozoic amphibians (12 C, 2 P) P. Paleozoic amphibians (8 C, 2 P)
Paleontologists with the Smithsonian National Museum of Natural History have discovered a previously unknown prehistoric species — a 270 million-year-old amphibian with wide eyes and a ...
This is a list of amphibians found in the United States. A total of 306 amphibian species have been recorded in the United States , [ 1 ] 2 of which are now extinct. [ 2 ] This list is derived from the database listing of Amphibian Species of the World .