Meaning | gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares. |
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Synonym | subclass Opisthobranchia |
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Member of | Gastropoda, class Gastropoda, Gasteropoda, class Gasteropoda | snails and slugs and their relatives |
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Members | Nudibranchia, order Nudibranchia | Comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug |
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Broader | class | (biology) a taxonomic group containing one or more orders |
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Spanish | opistobranquios |
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