halio tis

(gen it. ōtos ) = an ear.] Zool .: Ear-shells; the typical genus of the family Haliotide (q.v.). The shell, which is striated, is ear-shaped with a small flat apex, a very wide iridescent aperture, the outer angle perforated with a series of holes. Known species: Recent, seventy five. from Britain, India, China, Australia, California, .; fo il, four, from the Miocene onward.