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pectostraca |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pectostraca \Pec*tos"tra*ca\, n. pl [NL., fr Gr ? fixed + ? shell of a testacean.] (Zo["o]l.) A degenerate order of Crustacea, including the Rhizocephala and Cirripedia.
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