''Bankivia'' 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 ...

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

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 ...

Trochidae The Trochidae, common name top-snails or top-shells, are a family of various sized sea snails, marine gastropod molluscs in the subclass Vetigastropoda. This family is commonly known as the top-snails because in many species the shell resembles ...

, the top snails.Bouchet, P. (2012). ''Bankivia'' Krauss, 1848. Accessed through:

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ...

at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512310 on 2012-11-23

Description

The imperforate, elongated, narrow, thin shell has a conical shape. It is slightly pearly. The

aperture In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...

is small, about one-third the length of shell . The

columella Lucius Junius Moderatus Columella (, Arabic: ) was a prominent Roman writer on agriculture in the Roman Empire. His in twelve volumes has been completely preserved and forms an important source on Roman agriculture and ancient Roman cuisin ...

is slightly twisted, and subtruncated toward the base.H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
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Species

Species within the genus ''Bankivia'' include: * '' Bankivia fasciata'' (Menke, 1830)
Species were brought into synonymy: * ''Bankivia lugubris'' Gould, 1861: synonym of '' Bankivia fasciata'' (Menke, 1830) * ''Bankivia major'' A. Adams, 1853: synonym of '' Bankivia fasciata'' (Menke, 1830) * ''Bankivia nitida'' A. Adams, 1853: synonym of '' Bankivia fasciata'' (Menke, 1830) * ''Bankivia purpurascens'' A. Adams, 1853: synonym of '' Bankivia fasciata'' (Menke, 1830) * ''Bankivia varians'' Krauss, 1848: synonym of '' Bankivia fasciata'' (Menke, 1830)

References

{{Taxonbar, from=Q4856365 Trochidae Monotypic gastropod genera