( n. pl. )
A tribe of bivalve mollusks in which the posterior mantle border is prolonged into two tubes or siphons. Called also Siphoniata. See Siphon, 2 (a), and Quahaug.
( n. pl. )
A tribe of bivalve mollusks in which the posterior mantle border is prolonged into two tubes or siphons. Called also Siphoniata. See Siphon, 2 (a), and Quahaug.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012