Also found in: Thesaurus.
Switch to new thesaurus
|Noun||1.||genus Hynerpeton - earliest fossil amphibian ever found; of the Devonian; found in Pennsylvania|
amphibia, class Amphibia - the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians
amphibian genus - any genus of amphibians
Hynerpeton bassetti - fossil amphibian of the Devonian having well-developed forelimbs; found in Pennsylvania