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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 list of the prehistoric life of California contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of California. Precambrian [ edit ]
Rana pliocenica is an extinct species of frog within the family Ranidae. [1] The species was described by Richard G. Zweifel from the Pliocene of the Pinole Tuff Formation in Contra Costa County, California, with the type locality being from UCMP 1037, Hipparion Point.
California red-legged frog Rana luteiventris: Columbia spotted frog * Rana muscosa: Southern mountain yellow-legged frog Rana pretiosa: Oregon spotted frog * Rana sierrae: Sierra Nevada yellow-legged frog
This list of prehistoric amphibians is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be ...
The Sierra Nevada Yellow-legged frogs were almost wiped out of Yosemite National Park. But these scientists mounted a wildlife comeback.
This list of the Paleozoic life of California contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of California and are between 538.8 and 252.17 million years of age.
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