The Collaborative International Dictionary of English v.0.48:

Haliotis \Ha`li*o"tis\ (h[=a]`l[i^]*[=o]"t[i^]s or
   h[a^]l`[i^]-), prop. n. [NL., fr. Gr. "a`ls sea + o'y^s,
   'wto`s, ear.] (Zool.)
   A genus of marine shells; the ear-shells. See Abalone.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Haliotis
    n 1: type genus of the family Haliotidae [syn: Haliotis,
         genus Haliotis]