vertebrata(n = noun.animal) craniata, subphylum craniata, subphylum vertebrata - fishes; amphibians; reptiles; birds; mammals;
is a kind of phylum
is a member of chordata, phylum chordata
One of the grand divisions of the animal kingdom, comprising all animals that have a backbone composed of bony or cartilaginous vertebræ, together with Amphioxus in which the backbone is represented by a simple undivided notochord. The Vertebrata always have a dorsal, or neural, cavity above the notochord or backbone, and a ventral, or visceral, cavity below it. The subdivisions or classes of Vertebrata are Mammalia, Aves, Reptilia, Amphibia, Pisces, Marsipobranchia, and Leptocardia. [1913 Webster]