#amphibian_genus__amphibiangenu  any genus of amphibians
  supertype:  #genus__genu  (biology) taxonomic group containing one or more species
  subtype:  #genus_Hynerpeton  #genus_Ichthyostega  #genus_Salamandra  #genus_Triturus  #genus_Notophthalmus  #genus_Taricha  #genus_Ambystoma  #genus_Cryptobranchus  #genus_Megalobatrachus  #family_Proteidae  #genus_Proteus  #genus_Necturus  #genus_Dicamptodon  #genus_Rhyacotriton  #genus_Plethodon  #genus_Desmograthus  #genus_Aneides  #genus_Batrachoseps  #genus_Hydromantes  #genus_Amphiuma  #genus_Siren  #genus_Rana  #genus_Eleutherodactylus  #genus_Hylactophryne  #genus_Leptodactylus  #genus_Polypedates  #genus_Ascaphus  #genus_Leiopelma  #genus_Bufo  #genus_Alytes  #genus_Bombina  #genus_Scaphiopus  #genus_Hyla  #genus_Acris  #genus_Pseudacris  #genus_Pternohyla  #genus_Gastrophryne  #genus_Hypopachus  #genus_Pipa  #genus_Xenopus
  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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