Retrotortina

Retrotortina is a genus of very minute sea snails, marine gastropod molluscs or micromollusks in the family Omalogyridae.

Species
Species within the genus Retrotortina include:
 * Retrotortina cuniculus Barnard, 1969
 * Retrotortina damara Rolán & Peñas, 2009
 * Retrotortina fuscata Chaster, 1896