Oxynooidea

Oxynooidea is a superfamily of small sea snails, bubble snails and bivalved gastropods, marine gastropod mollusks within the superorder Sacoglossa.

Families
Families within the superfamily Oxynooidea:
 * family Cylindrobullidae Thiele, 1931
 * family Juliidae E. A. Smith, 1885
 * family Oxynoidae Stoliczka, 1868 (1847)
 * family Volvatellidae Pilsbry, 1895