''Halystina'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
sea snail
Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...
s,
marine gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
s in the subfamily Seguenziinae of the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Seguenziidae
Seguenziidae is a family (biology), family of very small deepwater sea snails, marine (ocean), marine gastropod mollusks in the superfamily Seguenzioidea (according to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005), taxonomy of the Gastr ...
.
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
''Halystina globulus'' is a species of sea snail, a marine gastropod mollusc in the family (biology), family Seguenziidae. The scientific name of ''Halystina globulus'' comes from the Greek words "Halys" (meaning sea) and "Stena" (meaning chest) ...
''
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.
Seguenziidae
{{Seguenziidae-stub