proboscidifera

 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]

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