ichyostega

English Thesaurus

1. early tetrapod amphibian found in Greenland (noun.animal)

hypernym	:	amphibian,
definition	:	cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form (noun.animal)

member meronym	:	genus ichthyostega,
definition	:	second earliest fossil amphibian ever found; of the Devonian; found in Greenland (noun.animal)