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Definition of Nudibranchia
1. Noun. Comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug.
Exact synonyms: Order Nudibranchia
Generic synonyms: Animal Order
Group relationships: Opisthobranchia, Subclass Opisthobranchia
Member holonyms: Nudibranch, Sea Slug, Aplysiidae, Family Aplysiidae, Family Tethyidae, Tethyidae, Genus Hermissenda, Hermissenda
Generic synonyms: Animal Order
Group relationships: Opisthobranchia, Subclass Opisthobranchia
Member holonyms: Nudibranch, Sea Slug, Aplysiidae, Family Aplysiidae, Family Tethyidae, Tethyidae, Genus Hermissenda, Hermissenda