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|Noun||1.||Polyplacophora - small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura|
genus Chiton - a genus of Polyplacophora
class - (biology) a taxonomic group containing one or more orders
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.