SG Heritage Dictionary

Opisthobranchia [Noun plural] Webster's Dictionary 1913

Opisthobranchiata [Noun plural] Webster's Dictionary 1913

A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart. It includes the tectibranchs and nudibranchs.

Opisthobranchiate [Adjective] Webster's Dictionary 1913

Of or pertaining to the Opisthobranchiata.

Opisthobranchiate [Noun] Webster's Dictionary 1913