#Ichyostega  early tetrapod amphibian found in Greenland
  supertype:  #amphibian  cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
  member of:  #genus_Ichthyostega  second earliest fossil amphibian ever found; of the Devonian; found in Greenland
     member of:  #class_Amphibia__Amphibia  frogs; toads; newts; salamanders; caecilians
        member of:  #subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
           member of:  #phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
              member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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