Hynerpeton bassetti

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Noun1.Hynerpeton bassetti - fossil amphibian of the Devonian having well-developed forelimbs; found in Pennsylvania
amphibian - cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
genus Hynerpeton, Hynerpeton - earliest fossil amphibian ever found; of the Devonian; found in Pennsylvania
References in periodicals archive ?
Hynerpeton bassetti lacked the tough body and huge teeth so prevalent among the heavies in Pennsylvania swamps 365 million years ago.