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
References
Marshall B.A. (1991). Mollusca Gastropoda : Seguenziidae from New Caledonia and the Loyalty Islands. In A. Crosnier & P. Bouchet (Eds) Résultats des campagnes Musorstom, vol. 7. Mémoires du Muséum National d'Histoire Naturelle, A, 150:41-109.