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arthrostraca |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Arthrostraca \Ar*thros"tra*ca\, n. pl [NL., fr Gr 'a`rqron joint + ? a shell.] (Zo["o]l.) One of the larger divisions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda.
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