( n. pl. )
An extensive division of gastropod Mollusca in which the loop or visceral nerves is twisted, and the sexes separate. It is nearly to equivalent to Prosobranchiata.
( n. pl. )
An extensive division of gastropod Mollusca in which the loop or visceral nerves is twisted, and the sexes separate. It is nearly to equivalent to Prosobranchiata.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012