Cirsonella

Cirsonella
Shell of † Cirsonella funata (holotype at MNHN, Paris)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Skeneidae
Genus:	Cirsonella Angas, 1877
Type species
Cirsonella australis Angas, 1877
Species
See text
Synonyms [1]
PorcupiniaCossmann, 1900 TharsiellaBush, 1897 TharsisJeffreys, 1883 (preoccupied by Tharsis Giebel, 1847 (Pisces))

Cirsonella is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae. ^[1]

Description

(Original description by G. Angas) The minute, smooth shell is globosely turbinate. It is narrowly umbilicated. The aperture is circular. The continuous peristome is slightly thickened. ^[2]

Species

Species within the genus Cirsonella include:

• † Cirsonella aedicula Laws, 1936
• Cirsonella africana (Bartsch, 1915)
• † Cirsonella ameliae Tabanelli, 1998
• † Cirsonella amplector Laws, 1944
• † Cirsonella aperta L. Hoffman & C. Little, 2025
• Cirsonella ateles (Dautzenberg & H. Fischer, 1896)
• Cirsonella carinata (Hedley, 1903)
• † Cirsonella congrua (Laws, 1941)
• Cirsonella consobrina Powell, 1930
• Cirsonella cubitalis (Hedley, 1907)
• Cirsonella densilirata Suter, 1908
• Cirsonella extrema Thiele, 1912
• Cirsonella floridensis (Dall, 1927)
• † Cirsonella funata Lozouet, 1998
• Cirsonella gaudryi (Dautzenberg & Fischer H., 1896)
• Cirsonella georgiana (Dall, 1927)
• Cirsonella globosa (Pelseneer, 1903)
• Cirsonella kerguelensis Thiele, 1912
• † Cirsonella laevis (R. M. Johnston, 1880)
• Cirsonella laxa Powell, 1937
• Cirsonella maoria Powell, 1937
• Cirsonella margaritiformis (Dall, 1927)
• Cirsonella micans (A. W. B. Powell, 1931)
• Cirsonella microscopia (Gatliff & Gabriel, 1910)
• Cirsonella ovata Hedley, 1899
• Cirsonella paradoxa Powell, 1937
• Cirsonella parvula Powell, 1926
• Cirsonella pisiformis Powell, 1937
• † Cirsonella proava (Marwick, 1931)
• Cirsonella propelaxa Dell, 1956
• Cirsonella reflecta Laseron, 1954
• Cirsonella romettensis (Granata-Grillo, 1877)
• Cirsonella variecostata Powell, 1940
• Cirsonella waikukuensis Powell, 1937
• † Cirsonella waimamakuica Laws, 1948
• Cirsonella weldii (Tenison-Woods, 1877)
• † Cirsonella zeornata Laws, 1948

Species brought into synonymy

• Cirsonella acceleransC. A. Fleming, 1948: synonym of Cirsonella variecostata Powell, 1940
• Cirsonella australisAngas, 1877: synonym of Cirsonella weldii(Tenison-Woods, 1877)
• Cirsonella granumMurdoch and Suter, 1906: synonym of Lissotesta granum (Murdoch & Suter, 1906)
• Cirsonella kerguelenensis [sic]: synonym of Cirsonella kerguelensis Thiele, 1912
• Cirsonella lata(Laseron, 1954): synonym of Wanganella lata (Laseron, 1954)
• Cirsonella naticoides(Hedley, 1907): synonym of Cirsonella weldii (Tenison Woods, 1877)
• Cirsonella neozelanicaMurdoch, 1899: synonym of Suterilla neozelanica (Murdoch, 1899)
• Cirsonella perplexaLaseron, 1954: synonym of Cirsonella reflecta Laseron, 1954
• Cirsonella simplex Powell, 1937: synonym of Acremodontina simplex (Powell, 1937)
• Cirsonella translucidaMay, 1915: synonym of Acremodontina translucida (May, 1915)

References

1. 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
2. G. Angas, Descriptions of two genera and twenty species of marine shells from New South Wales; Proceedings of the Zoological Society of London, 1877

• 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

Further reading

• Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN   0-00-216906-1
• Taxonomicon info: