'Rostrifera' definitions:

Definition of 'Rostrifera'

From: GCIDE

Rostrifera \Ros*trif"e*ra\, n. pl. [NL., fr. L. rostrum beak + ferre to bear.] (Zool.) A division of pectinibranchiate gastropods, having the head prolonged into a snout which is not retractile. [1913 Webster]