The Collaborative International Dictionary of English v.0.48:

Haliotidae \Haliotidae\ prop. n.
   A natural family of mollusks including the abalone
   (Haliotis).

   Syn: family Haliotidae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Haliotidae
    n 1: abalones [syn: Haliotidae, family Haliotidae]