Planorbis

Planorbis Temporal range: Jurassic–recent PreꞒ Ꞓ O S D C P T J K Pg N
Drawing of a shell of Planorbis planorbis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Superorder:	Hygrophila
Family:	Planorbidae
Subfamily:	Planorbinae
Tribe:	Planorbini
Genus:	Planorbis O. F. Müller, 1774 [1]
Species
See text.
Synonyms [2]
TropidiscusStein, 1850

Planorbis is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells. ^[2]

Description

Planorbis shells are flat-coiled and sinistral.

Distribution

This genus has a worldwide distribution. It is known from the Jurassic to the Recent periods. ^[3]

Species

Species within the genus Planorbis include:

Subgenus Planorbis (Jalpuchorbis) Prysjazhnjuk & Kovalenko, 1986

• † Planorbis bolgradensis Prysjazhnjuk & Kovalenko, 1986
• † Planorbis roshkai Prysjazhnjuk & Kovalenko, 1986

Subgenus Planorbis (Planorbis) Müller, 1773

• Planorbis corinna Gray, 1850
• Planorbis carinatus O. F. Müller, 1774
• Planorbis moquini Requien, 1848
• Planorbis planorbis (Linnaeus, 1758)
• Planorbis kahuica Finlay & Laws, 1931

Subgenus ?

• † Planorbis anceps Sacco, 1884
• † Planorbis austroalpinus Harzhauser & Neubauer in Harzhauser et al., 2012
• † Planorbis bouei Pavlović, 1932
• † Planorbis fischeri Wenz, 1919
• † Planorbis gladilini Pavlović, 1931
• Planorbis intermixtus Mousson, 1874
• † Planorbis kochi Pavlović, 1927
• † Planorbis nisseanus Pavlović, 1931
• † Planorbis petrovici Pavlović, 1931
• † Planorbis striatus Serres, 1853
• † Planorbis truncatocarinatus Pavlović, 1931
• † Planorbis verticilloides Pavlović, 1931
• † Planorbis zivkovici Pavlović, 1931

Suggenera and species brought into synonymy

• Subgenus Planorbis (Anisus) Studer, 1820: synonym of Anisus Studer, 1820
• Subgenus Planorbis (Armiger) Hartmann, 1843 : synonym of Gyraulus (Armiger) Hartmann, 1843 represented as Gyraulus Charpentier, 1837
• Subgenus Planorbis (Bathyomphalus) Charpentier, 1837: synonym of Bathyomphalus Charpentier, 1837
• Subgenus Planorbis (Coretus) Gray, 1847: synonym of Planorbarius Duméril, 1805
• Subgenus Planorbis (Gyraulus) Agassiz in Charpentier, 1837: synonym of Gyraulus Charpentier, 1837
• † Planorbis (Gyraulus) declivis var. balizacensis Peyrot, 1932: synonym of † Anisus balizacensis (Peyrot, 1932)
• Subgenus Planorbis (Gyrorbis) Fitzinger, 1833: synonym of Valvata O. F. Müller, 1774
• Subgenus Planorbis (Odontogyrorbis) Lörenthey, 1906: synonym of Anisus (Anisus) Studer, 1820
• Subgenus Planorbis (Segmentina) Fleming, 1818: synonym of Segmentina Fleming, 1818
• Planorbis acronicus Férussac, 1807: synonym of Gyraulus acronicus (Férussac, 1807)
• Planorbis albus O. F. Müller, 1774: synonym of Gyraulus albus (O. F. Müller, 1774)
• Planorbis argaeicus Sturany, 1904: synonym of Gyraulus argaeicus (Sturany, 1904)
• Planorbis atkinsoni Johnston, 1879: synonym of Gyraulus atkinsoni (Johnston, 1879)
• Planorbis biwaensis Preston, 1916: synonym of Gyraulus biwaensis (Preston, 1916)
• Planorbis borealis Westerlund, 1875: synonym of Gyraulus borealis (Lovén in Westerlund, 1875)
• Planorbis campanulatus Say, 1821 accepted as Planorbella campanulata (Say, 1821)
• Planorbis chinensis Dunker, 1848: synonym of Gyraulus chinensis (Dunker, 1848)
• Planorbis contrarius O. F. Müller, 1774: synonym of Marisa cornuarietis (Linnaeus, 1758)
• Planorbis convexiusculus Hutton, 1849: synonym of Gyraulus convexiusculus (Hutton, 1849)
• Planorbis costulatus Krauss, 1848: synonym of Gyraulus costulatus (Krauss, 1848)
• Planorbis crosseanus Bourguignat, 1862: synonym of Gyraulus albus (O. F. Müller, 1774)
• Planorbis ehrenbergi Beck, 1837: synonym of Gyraulus ehrenbergi (Beck, 1837)
• Planorbis essingtonensis E. A. Smith, 1882: synonym of Gyraulus essingtonensis (E. A. Smith, 1882)
• Planorbis fragilis Tate, 1896: synonym of Gyraulus essingtonensis (E. A. Smith, 1882)
• Planorbis gredleri Gredler, 1859: synonym of Gyraulus acronicus (Férussac, 1807)
• Planorbis hebraicus Bourguignat, 1852: synonym of Gyraulus hebraicus (Bourguignat, 1852)
• Planorbis hispidus Draparnaud, 1805: synonym of Gyraulus albus (O. F. Müller, 1774)
• Planorbis imbricatus O. F. Müller, 1774: synonym of Gyraulus crista (Linnaeus, 1758) represented as Gyraulus (Armiger) crista (Linnaeus, 1758)
• Planorbis laevis Alder, 1838: synonym of Gyraulus laevis (Alder, 1838)
• Planorbis leucostoma Millet, 1813: synonym of Anisus (Anisus) leucostoma (Millet, 1813)
• Planorbis natalensis Krauss, 1848: synonym of Afrogyrorbis natalensis (Krauss, 1848)
• Planorbis paladilhi Moitessier, 1867: synonym of Gyraulus crista (Linnaeus, 1758) represented as Gyraulus (Armiger) crista (Linnaeus, 1758)
• Planorbis parvus Say, 1817: synonym of Gyraulus parvus (Say, 1817)
• Planorbis persicus Ancey, 1900: synonym of Planorbis intermixtus Mousson, 1874
• Planorbis piscinarum Bourguignat, 1852: synonym of Gyraulus piscinarum (Bourguignat, 1852)
• Planorbis riparius Westerlund, 1865: synonym of Gyraulus riparius (Westerlund, 1865)
• Planorbis rossmaessleri Auerswald, 1851: synonym of Gyraulus rossmaessleri (Auerswald, 1851)
• Planorbis rotula Benson, 1850: synonym of Gyraulus rotula (Benson, 1850)
• Planorbis sivalensis Clessin, 1884: synonym of Gyraulus sivalensis (Clessin, 1884)
• Planorbis spirillus Gould, 1859: synonym of Gyraulus spirillus (Gould, 1859)
• Planorbis spirorbis (Linnaeus, 1758): synonym of Anisus (Anisus) spirorbis (Linnaeus, 1758)
• Planorbis thermalis Westerlund, 1885: synonym of Gyraulus laevis (Alder, 1838)
• Planorbis umbilicatus (Müller, 1773): synonym of Planorbis (Planorbis) planorbis (Linnaeus, 1758)
• Planorbis waterhousei Clessin, 1885: synonym of Gyraulus waterhousei (Clessin, 1885)

References

1. Müller O. F. (1773). Vermivm terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum et testaceorum, non marinorum, succincta historia. Voluminis Imi pars Ima. pp. [1-33], 1-135. Havniae & Lipsiae. (Heineck & Faber).
2. Bouchet, P.; Rosenberg, G. (2014). Planorbis O. F. Müller, 1773. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=182692 on 2014-11-23
3. (in Czech) Pek I., Vašíček Z., Roček Z., Hajn. V. & Mikuláš R.: Základy zoopaleontologie. - Olomouc, 1996. 264 pp., ISBN   80-7067-599-3.

Further reading

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