A newly described species of proto-amphibian that lived 270 million years ago has been named after Kermit the Frog. Paleontologists at the Smithsonian National Museum of Natural History rediscovered ...

WASHINGTON, March 21 (Reuters) - There definitely were no muppets during the Permian Period, but there was a Kermit - or at least a forerunner of modern amphibians that has been named after the ...

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Scientists at the Smithsonian identified a fossilized skull from a 270 million-year-old amphibian, which they've named Kermitops gratus Charlotte Phillipp is a Writer-Reporter at PEOPLE. She has been ...

A fragment of upper jaw fossil from the Early Cretaceous is among the oldest examples of a toothless amphibian in the fossil record Chihiro Kai The arid valleys of Wyoming’s Cloverly Formation are ...