Aves Placodermi reptile family class Placodermi phylum Chordata Amniota subphylum Craniata class Chondrichthyes reptile genus phylum superclass Gnathostomata fish genus Reptilia amphibian genus Osteichthyes class Osteichthyes amphibia Chondrichthyes class Amphibia Channidae class Channidae Mammalia fish family vertebrate Chordata class Reptilia class Aves Vertebrata mammal family Craniata superclass Agnatha bird family Gnathostomata mammal genus craniate Agnatha bird genus Pisces class Mammalia amphibian family

Aves Placodermi reptile family class Placodermi phylum Chordata Amniota subphylum Craniata class Chondrichthyes reptile genus phylum superclass Gnathostomata subphylum Vertebrata fish genus Reptilia amphibian genus Osteichthyes class Osteichthyes amphibia Chondrichthyes class Amphibia Channidae class Channidae Mammalia fish family vertebrate Chordata class Reptilia class Aves mammal family Craniata superclass Agnatha bird family Gnathostomata mammal genus craniate Agnatha bird genus Pisces class Mammalia amphibian family

taxonomic group taxon taxonomic category phylum