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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.
List of Native and Naturalized Fauna of Virginia April, 2022; Virginia Threatened and Endangered Faunal Species; FWS ECOS Listed species with spatial current range believed to or known to occur in Virginia; NatureServe Explorer; AmphibiaWeb search for amphibians in the state of Virginia
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 .
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 ...
Platyhystrix had a compact body, reaching 1 metre (3.3 ft) long including the tail, and its short, sturdy legs indicate a mainly terrestrial life. [ 14 ] Platyhystrix appeared rather unusual: the dorsal vertebrae were extraordinarily lengthened, and in life they probably formed a skin-covered sail.
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 Virginia. Precambrian [ edit ]
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 ...
Prehistoric frogs (1 C, 17 P) Prehistoric salamanders (2 C, 10 P) T. Temnospondyls (11 C, 9 P)