Decapoda

Decapoda
Decapoda De*cap"o*da (d[-e]*k[a^]p"[-o]*d[.a]), prop. n. pl. [NL., fr. Gr. de`ka ten + poy`s, podo`s, foot.] 1. (Zo["o]l.) The order of Crustacea which includes the shrimps, lobsters, crabs, etc. [1913 Webster]

Note: They have a carapace, covering and uniting the somites of the head and thorax and inclosing a gill chamber on each side, and usually have five (rarely six) pairs of legs. They are divided into two principal groups: Brachyura and Macrura. Some writers recognize a third (Anomura) intermediate between the others. [1913 Webster]

2. (Zo["o]l.) A division of the dibranchiate cephalopods including the cuttlefishes and squids. See {Decacera}.


The Collaborative International Dictionary of English. 2000.

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