''Turcica'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Eucyclidae Eucyclidae is a family of gastropods in the superfamily Seguenzioidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This family has no subfamilies. Genera Genera within the family Eucyclidae include: * '' Amberley ...

. Kano et al. (2009) have argued that ''Turcica'' belongs in the family Calliotropidae.

Description

The thin, subdiaphanous, imperforate shell has a conoidal shape. The

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...

s display transverse series of granules, the last rounded on the periphery. The thick

columella Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire. His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the wo ...

is spirally twisted posteriorly, ending anteriorly in an obtuse, prominent point. The thin outer

lip The lips are the visible body part at the mouth of many animals, including humans. Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech. Human lips are a tactile sensory organ, and can be ...

is simple and acute.

Distribution

The genus ranges on both shores of the Pacific, from California and Australia northward.

Species

According to the

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

(WoRMS) the following species are included within the genus ''Turcica'' : * '' Turcica admirabilis'' Berry, 1969 * '' Turcica caffea'' (Gabb, 1865) * '' Turcica imperialis'' A. Adams, 1854 * '' Turcica monilifera'' A. Adams, 1854 ;Species brought into synonymy: * ''Turcica (Perrinia)'' Adams, 1854: synonym of '' Perrinia'' H. Adams & A. Adams, 1854 * ''Turcica coreensis'' Pease, 1860: synonym of '' Turcica monilifera'' A. Adams, 1854 * ''Turcica helix'' Barnard, 1964: synonym of '' Herpetopoma helix'' (Barnard, 1964) * ''Turcica instricta'' A. Adams 1864: synonym of ''

Herpetopoma instrictum ''Herpetopoma instrictum'', common name the basket-like false top shell, is a species of sea snail, a marine gastropod mollusk in the family Chilodontidae.Bouchet, P. (2012). ''Herpetopoma instrictum'' (Gould, 1849). Retrieved through: World ...

'' (Gould, 1849) * ''Turcica konos'' Barnard, 1964: synonym of '' Perrinia konos'' (Barnard, 1964) * ''Turcica salpinx'' Barnard, 1964: synonym of '' Clypeostoma salpinx'' (Barnard, 1964) * ''Turcica stellata'' A. Adams, 1864: synonym of '' Perrinia stellata'' (A. Adams, 1864) * † ''Turcica (Perrinia) waiwailevensis'' Ladd, 1982: synonym of '' Herpetopoma xeniolum'' (Melvill, 1918)

References

{{Taxonbar, from=Q3140741 Eucyclidae Gastropod genera