The Collaborative International Dictionary
Siphonata
Siphonata \Si`pho*na"ta\, n. pl. [NL.] (Zo["o]l.) 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.