Halystina

Halystina is a genus of sea snails, marine gastropod mollusks in the subfamily Seguenziinae of the family Seguenziidae.

Species
Species within the genus Halystina include:
 * Halystina caledonica Marshall, 1991
 * Halystina carinata Marshall, 1991
 * † Halystina conoidea Helwerda, Wesselingh & S. T. Williams, 2014
 * Halystina globulus Poppe, Tagaro & Dekker, 2006
 * Halystina siberutensis (Thiele, 1925)
 * Halystina simplex (Barnard, 1963)
 * Halystina umberlee Salvador, Cavallari & Simone, 2014
 * Halystina vaubani Marshall, 1991