|
|
Definition of Opisthobranchia
1. Noun. Gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares.
Exact synonyms: Subclass Opisthobranchia
Group relationships: Class Gasteropoda, Class Gastropoda, Gasteropoda, Gastropoda
Member holonyms: Nudibranchia, Order Nudibranchia
Generic synonyms: Class
Group relationships: Class Gasteropoda, Class Gastropoda, Gasteropoda, Gastropoda
Member holonyms: Nudibranchia, Order Nudibranchia
Generic synonyms: Class
Definition of Opisthobranchia
1. n. pl. A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart. It includes the tectibranchs and nudibranchs.
Lexicographical Neighbors of Opisthobranchia
Other Resources:
