IsopleuraI`so*pleu"ra\, n. pl. [NL. See Iso-, and Pleura.] (Zo["o]l.) A subclass of Gastropoda, in which the body is symmetrical, the right and left sides being equal. Note: The intestine terminates at the posterior end of the body, and the gills and circulatory and reproductive organs are paired. It includes the chitons (Polyplacophora), together with Neomenia and Ch[ae]toderma, which are wormlike forms without a shell.
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