''Cirsonella'' 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 ...

of small

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 ...

mollusc 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 esti ...

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 ...

Skeneidae The Skeneidae are a speciose family of minute to small marine gastropod molluscs in the superfamily Trochoidea.Bouchet, P.; Gofas, S. (2013). Skeneidae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php ...

.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138494 on 2012-05-23

Description

(Original description by G. Angas) The minute, smooth shell is globosely turbinate. It is narrowly umbilicated. The

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

is circular. The continuous peristome is slightly thickened.G. Angas, Descriptions of two genera and twenty species of marine shells from New South Wales; Proceedings of the Zoological Society of London, 1877
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Species

Species within the genus ''Cirsonella'' include: * † ''

Cirsonella aedicula ''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails& ...

'' Laws, 1936 * ''

Cirsonella africana ''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails& ...

'' (Bartsch, 1915) * † ''

Cirsonella amplector ''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails& ...

'' Laws, 1944 * ''

Cirsonella ateles ''Cirsonella ateles'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae. Description The white shell attains a height of 2 mm, its diameter also 2 mm. It is a rather solid, shining shell with a narrow and d ...

'' (Dautzenberg & H. Fischer, 1896) * ''

Cirsonella carinata ''Cirsonella carinata'', common name the ridged false-top-shell, is a species of minute sea snail, a marine gastropod mollusk in the family Skeneidae.Marshall, B. (2013). Cirsonella carinata (Hedley, 1903). Accessed through: World Register of Ma ...

'' (Hedley, 1903) * † ''

Cirsonella congrua ''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails& ...

'' (Laws, 1941) * ''

Cirsonella consobrina ''Cirsonella consobrina'' is a minute sea snail, a marine gastropod mollusc in the family Skeneidae.Bouchet, P. (2013). Cirsonella consobrina Powell, 1930. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.p ...

Powell Powell may refer to: People * Powell (surname) * Powell (given name) * Powell baronets, several baronetcies *Colonel Powell (disambiguation), several military officers *General Powell (disambiguation), several military leaders *Governor Powell (di ...

, 1930 * ''

Cirsonella cubitalis ''Cirsonella cubitalis'' is a minute sea snail, a marine gastropod mollusc in the family Skeneidae.Marshall, B. (2013). Cirsonella cubitale (Hedley, 1907). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.p ...

'' (Hedley, 1907) * '' Cirsonella densilirata''

Suter Suter is a surname. Notable people with the name include: * Alexis P. Suter (born 1963), American blues, and soul blues singer and songwriter * Andrew Burn Suter (1830–1895), Bishop of the Diocese of Nelson, New Zealand * August Suter (1887& ...

, 1908 * ''

Cirsonella extrema ''Cirsonella extrema'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae. Description The height of the yellowish white shell attains 2.7 mm, its diameter 2.9 mm. The spire contains 3½ whorls. The round ap ...

'' Thiele, 1912 * ''

Cirsonella floridensis ''Cirsonella floridensis'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Bouchet, P. (2012). ''Cirsonella floridensis'' (Dall, 1927). Accessed through: World Register of Marine Species The World Register of Mar ...

'' (Dall, 1927) * † ''

Cirsonella funata ''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails& ...

'' Lozouet, 1998 * ''

Cirsonella gaudryi ''Cirsonella gaudryi'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae. Description The height of the shell attains 2.5 mm. The rather solid, shining, white shell has a turbinate shape. it has a narrow umbili ...

'' (Dautzenberg & Fischer H., 1896) * ''

Cirsonella georgiana ''Cirsonella georgiana'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Bouchet, P. (2012). ''Cirsonella georgiana'' (Dall, 1927). Accessed through: World Register of Marine Species at http://www.marinespecies.org/ ...

'' (Dall, 1927) * ''

Cirsonella globosa ''Cirsonella globosa'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae, the turban snails.Gofas, S. (2012). ''Cirsonella globosa'' (Pelseneer, 1903). Accessed through: World Register of Marine Species The World R ...

'' (Pelseneer, 1903) * ''

Cirsonella kerguelenensis ''Cirsonella kerguelenensis'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2012). ''Cirsonella kerguelenensis'' Thiele, 1912. Accessed through: World Register of Marine Species at http://www.marin ...

'' Thiele, 1912 * ''

Cirsonella lata ''Cirsonella lata'' is a minute sea snail, a marine gastropod mollusc in the family Skeneidae.Bouchet, P. (2013). Cirsonella lata (Laseron, 1954). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxd ...

'' (Laseron, 1954) * ''

Cirsonella laxa ''Cirsonella laxa'' is a minute sea snail, a marine gastropod mollusc in the family Skeneidae.Rosenberg, G. (2013). Cirsonella laxa Powell, 1937. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxde ...

, 1937 * '' Cirsonella maoria''

, 1937 * '' Cirsonella margaritiformis'' (Dall, 1927) * '' Cirsonella microscopia'' (Gatliff & Gabriel, 1910) * '' Cirsonella ovata'' Hedley, 1899 * '' Cirsonella paradoxa''

, 1937 * '' Cirsonella parvula''

, 1926 * '' Cirsonella pisiformis''

, 1937 * † '' Cirsonella proava'' (Marwick, 1931) * '' Cirsonella propelaxa''

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, 1956 * '' Cirsonella reflecta'' Laseron, 1954 * '' Cirsonella romettensis'' (Granata-Grillo, 1877) * '' Cirsonella variecostata''

, 1940 * '' Cirsonella waikukuensis''

, 1937 * † '' Cirsonella waimamakuica'' Laws, 1948 * ''

Cirsonella weldii ''Cirsonella weldii'', common name the shiny liotia, is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2012). ''Cirsonella weldii'' (Tenison-Woods, 1877). Accessed through: World Register of Marine Spec ...

'' (Tenison-Woods, 1877) * † '' Cirsonella zeornata'' Laws, 1948 ;Species brought into synonymy: * ''Cirsonella accelerans'' C. A. Fleming, 1948: synonym of '' Cirsonella variecostata'' Powell, 1940 * ''Cirsonella australis'' Angas, 1877: synonym of ''Cirsonella weldii'' (Tenison-Woods, 1877) * ''Cirsonella granum'' Murdoch and Suter, 1906: synonym of ''

Lissotesta granum ''Lissotesta granum'' is a species of minute sea snail, a marine gastropod mollusc, unassigned in the superfamily Seguenzioidea.Rosenberg, G. (2012). Lissotesta granum (Murdoch & Suter, 1906). Accessed through: World Register of Marine Species a ...

'' (Murdoch & Suter, 1906) * ''Cirsonella kerguelenensis'' ic synonym of '' Cirsonella kerguelensis'' Thiele, 1912 * '' Cirsonella naticoides'' (Hedley, 1907): synonym of ''

'' (Tenison Woods, 1877) * ''Cirsonella neozelanica'' Murdoch, 1899: synonym of '' Suterilla neozelanica'' (Murdoch, 1899) * ''Cirsonella perplexa'' Laseron, 1954: synonym of '' Cirsonella reflecta'' Laseron, 1954 * ''Cirsonella simplex''

, 1937: synonym of '' Acremodontina simplex'' (Powell, 1937) * ''Cirsonella translucida'' May, 1915: synonym of '' Acremodontina translucida'' (May, 1915)

References

* Angas, 1877 Proceedings of the Zoological Society of London, 1877: 38 * Iredale, T. & McMichael, D.F. (1962). ''A reference list of the marine Mollusca of New South Wales''. Memoirs of the Australian Museum. 11 : 1-109 * Lozouet, P., 1998. ''Nouvelles espèces de gastéropodes (Mollusca: Gastropoda) de l'Oligocène et du Miocène inférieur d'Aquitaine (sud-ouest de la France).'' Cossmanniana 5(3-4): 61-102 * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180–213 * Spencer, H.; Marshall. B. (2009). ''All Mollusca except Opisthobranchia''. In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp

Description

Species

References

Further reading