prosobranch

noun
pros·​o·​branch | \ˈprä-sə-ˌbraŋk \
plural prosobranchs

Definition of prosobranch 

: any of a subclass (Prosobranchia) of gastropod mollusks that have the loop of visceral nerves twisted into a figure eight, the sexes usually separate, and usually an operculum

Other Words from prosobranch

prosobranch adjective

First Known Use of prosobranch

1851, in the meaning defined above

History and Etymology for prosobranch

New Latin Prosobranchia, from proso- in front (from Greek prosō forward) + branchia gills (from Greek)

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The first known use of prosobranch was in 1851

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