Ichyostega


Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Ichyostega - early tetrapod amphibian found in Greenland
amphibian - cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
genus Ichthyostega - second earliest fossil amphibian ever found; of the Devonian; found in Greenland