Hynerpeton hy·ner·pe·ton uncommon noun 1. earliest fossil amphibian ever found; of the Devonian; found in Pennsylvania Synonymsgenus Hynerpeton Related words Word family Hynerpeton bassetti Broader terms amphibian genus Parts Amphibia Part of Hynerpeton bassetti WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
