Hypertext Webster Gateway: "Invertebrata"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Invertebrata \In*ver`te*bra"ta\, n. pl. [NL., fr. L. in- not +
vertebratus vertebrate.] (Zo["o]l.)
A comprehensive division of the animal kingdom, including all
except the Vertebrata.
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