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  1  definition  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Proboscidifera  \Pro*bos`ci*dif"e*ra\,  n.  pl  [NL.  See 
  {Proboscis},  and  {-ferous}.] 
  1.  (Zo["o]l.)  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}. 
  2.  (Zo["o]l.)  A  subdivision  of  the  t[ae]nioglossate 
  gastropods,  including  the  fig-shells  ({Pyrula}),  the 
  helmet  shells  ({Cassis}),  the  tritons,  and  allied  genera.