siphonata
Si`pho*na"ta, n. pl. Etym: [NL.] (Zoöl.) Defn: 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.
Si`pho*na"ta, n. pl. Etym: [NL.] (Zoöl.) Defn: 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.