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Webster 1913 Edition


Malacostraca

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Malˊa-cos′tra-ca

,
p
rop.
Noun.
pl.
[NL., from Gr.
μαλακόσ
soft + [GREEK] shell of a testacean.]
(Zool.)
A subclass of Crustacea, including Arthrostraca and Thoracostraca, or all those higher than the Entomostraca.