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Definition of Polyplacophora
1. Noun. Small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura.
Exact synonyms: Class Polyplacophora
Group relationships: Mollusca, Phylum Mollusca
Member holonyms: Genus Chiton
Generic synonyms: Class
Group relationships: Mollusca, Phylum Mollusca
Member holonyms: Genus Chiton
Generic synonyms: Class
Definition of Polyplacophora
1. n. pl. See Placophora.
Medical Definition of Polyplacophora
1.