‖n. pl. [ NL. See Proboscis, and -ferous. ] [ 1913 Webster ]

1. (Zool.) An extensive division of pectinibranchiate gastropods, including those that have a long retractile proboscis, with the mouth at the end, as the cones, whelks, tritons, and cowries. See Illust. of Gastropoda, and of Winkle. [ 1913 Webster ]

2. (Zool.) A subdivision of the tænioglossate gastropods, including the fig-shells (Pyrula), the helmet shells (Cassis), the tritons, and allied genera. [ 1913 Webster ]