vertebrata defined in 1951 yearvertebrata - vertebrata (craniata);
vertebrata - Most important sub-phylum of the phylum Chordata. Contains the fish, amphibians, reptiles, birds, and mammals, i.e. classes Agnatha, Placodermi, Acanthodii, Choanichthyes, Actinopterygii, Chondrichthyes, Amphibia, Rep-tilia, Aves, Mammalia. Vertebrates differ from other chordates in having a skull, which surrounds a well-developed brain, and a skeleton of cartilage or bone. Not all the fossil ones have been shown to have a vertebral column (though most of them have), so that the term Craniata is perhaps preferable, though in much less common use. Vertebrata is occasionally used as synonym for Chordata.
near vertebrata in Knolik
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