Search Result for "vertebrata": 
Wordnet 3.0

NOUN (1)

1. fishes; amphibians; reptiles; birds; mammals;
[syn: Vertebrata, subphylum Vertebrata, Craniata, subphylum Craniata]


The Collaborative International Dictionary of English v.0.48:

Vertebrata \Ver`te*bra"ta\, n. pl. [NL.] (Zool.) One of the grand divisions of the animal kingdom, comprising all animals that have a backbone composed of bony or cartilaginous vertebrae, 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]
WordNet (r) 3.0 (2006):

Vertebrata n 1: fishes; amphibians; reptiles; birds; mammals [syn: Vertebrata, subphylum Vertebrata, Craniata, subphylum Craniata]