Found 2 items, similar to Malacostraca.
English → English (WordNet) Definition: Malacostraca 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: subclass Malacostraca]
English → English (gcide) Definition: Malacostraca Malacostraca \Mal`a*cos"tra*ca\, prop. n. pl. [NL., from Gr. malako`s soft + ? shell of a testacean.] (Zo["o]l.) A subclass of Crustacea, including Arthrostraca and Thoracostraca, or all those higher than the Entomostraca. [1913 Webster]