Clione

Clione is a genus of small, floating sea slugs, pelagic marine gastropod mollusks in the family Clionidae, the sea angels.

Clione is the type genus of the family Clionidae.

Species
Species within the genus Clione include:
 * Clione antarctica (Smith, 1902)
 * Clione elegantissima (Dall, 1871)
 * Clione limacina (Phipps, 1774)
 * Clione okhotensis Yamazaki & Kuwahara, 2017