Lutrinae

from WordNet (r) 3.0 (2006)

Lutrinae
    n 1: subdivision not used in some classifications: otters [syn:
         {Lutrinae}, {subfamily Lutrinae}]

from The Collaborative International Dictionary of English v.0.48

Lutrinae \Lutrinae\ n.
   A subdivision of mammals including the otters; it is not used
   in some classifications.

   Syn: subfamily Lutrinae.
        [WordNet 1.5]