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ostracoidea |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Ostracoidea \Os`tra*coi"de*a\, n. pl [NL., fr Gr ? shell of a testacean + -oid.] (Zo["o]l.) An order of Entomostraca possessing hard bivalve shells. They are of small size, and swim freely about [Written also {Ostracoda}.]