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malacostraca |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Malacostraca \Mal`a*cos"tra*ca\, n. pl [NL., from Gr ? soft + ? shell of a testacean.] (Zo["o]l.) A subclass of Crustacea, including Arthrostraca and Thoracostraca, or all those higher than the Entomostraca. From WordNet r 1.6 [wn]: Malacostraca n : largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach flies [syn: {Malacostraca}, {subclass Malacostraca}]
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