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malacostracan

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malacostracan

Main Entry:: mal·a·cos·tra·can
Pronunciation:: \ˌma-lə-ˈkäs-tri-kən\
Function:: noun
Etymology:: ultimately from Greek malakostrakos soft-shelled, from malakos soft + ostrakon shell — more at mollify, oyster
Date:: 1835

: any of a large subclass (Malacostraca) of crustaceans having a thorax consisting of eight segments usually covered by a carapace and including the decapods and isopods

— malacostracan adjective

Learn more about "malacostracan" and related topics at Britannica.com

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