is a specific kind of: phylum.

has as a member: fish family | fish genus | craniate, vertebrate | Amniota | Agnatha, superclass Agnatha | Gnathostomata, superclass Gnathostomata | class Placodermi, Placodermi | Chondrichthyes, class Chondrichthyes | Aves, class Aves | bird family | bird genus | amphibia, class Amphibia | amphibian family | amphibian genus | reptile family | reptile genus | class Reptilia, Reptilia | class Mammalia, Mammalia | mammal family | mammal genus | Pisces | Channidae, class Channidae | class Osteichthyes, Osteichthyes ... show more.

is a member of: Chordata, phylum Chordata.