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|Noun||1.||phylum Mollusca - gastropods; bivalves; cephalopods; chitons|
animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals
mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
class Scaphopoda, Scaphopoda - small class of bilaterally symmetrical marine forms comprising the tooth shells
class Polyplacophora, Polyplacophora - small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura
Bivalvia, class Bivalvia, class Lamellibranchia, class Pelecypoda, Lamellibranchia - oysters; clams; scallops; mussels
phylum - (biology) the major taxonomic group of animals and plants; contains classes
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