HyperDic: subclass_opisthobranchia

English > 1 sense of the expression subclass Opisthobranchia:
NOUNanimalsubclass Opisthobranchia, Opisthobranchiagastropods having the gills when present posterior to the heart and having no operculum
English > subclass Opisthobranchia: 1 sense > noun 1, animal
Meaninggastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares.
SynonymOpisthobranchia
Member ofGastropoda, class Gastropoda, Gasteropoda, class Gasteropodasnails and slugs and their relatives
MembersNudibranchia, order NudibranchiaComprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug
Broaderclass(biology) a taxonomic group containing one or more orders
Spanishopistobranquios

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