ichyostega

Noun
  1. Early tetrapod amphibian found in Greenland (synset 101630972)
    is a type of: amphibian - cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
    belongs to: genus ichthyostega - second earliest fossil amphibian ever found; of the Devonian; found in Greenland

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