Invertebrata

In`ver`te`bra´ta

n. pl.

(Zool.) A comprehensive division of the animal kingdom, including all except the Vertebrata.

Invertebrata

[in‚vərd·ə′bräd·ə] (invertebrate zoology) A division of the animal kingdom including all animals which lack a spinal column; has no taxonomic status.

Invertebrata

In·ver·te·bra·ta

(in-ver'tĕ-brā'tă), A general category of the kingdom Animalia (multicellular animals) including those phyla the members of which lack a notochord; that is, all animals except vertebrates in the phylum Chordata.

ThesaurusSeeinvertebrate

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