'Euthyneura' definitions:

Definition of 'Euthyneura'

From: GCIDE

Euthyneura \Eu`thy*neu"ra\, n. pl. [NL., fr. Gr. ? straight + ? a nerve.] (Zo["o]l.) A large division of gastropod molluske, including the Pulmonifera and Opisthobranchiata. [1913 Webster]