Planorbis
Planorbis is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells.
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.Human Uses
Species in the genus Planorbis have long been used in the aquarium trade, with references going back as far as 1921.Species
;Extant species currently in PlanorbisPlanorbis agraulus Bourguignat, 1864Planorbis atticus Bourguignat, 1852Planorbis carinatus O. F. Müller, 1774Planorbis cretensis Glöer & Hirschfelder, 2015Planorbis intermixtus Mousson, 1874Planorbis kubanicus Soldatenko & Starobogatov, 1998Planorbis macedonicus Sturany, 1894Planorbis moquini Requien, 1848Planorbis planorbis Planorbis presbensis Sturany, 1894Planorbis sieversi Mousson, 1873Planorbis vitojensis Glöer & Pešić, 2010;Fossil species
- † 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 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
- † Planorbis (Jalpuchorbis) bolgradensis Prysjazhnjuk & Kovalenko, 1986
- † Planorbis (Jalpuchorbis) roshkai Prysjazhnjuk & Kovalenko, 1986
- Subgenus Planorbis Studer, 1820: synonym of Anisus Studer, 1820
- Subgenus Planorbis Hartmann, 1843 : synonym of Gyraulus Hartmann, 1843 represented as Gyraulus Charpentier, 1837
- Subgenus Planorbis Charpentier, 1837: synonym of Bathyomphalus Charpentier, 1837
- Subgenus Planorbis Gray, 1847: synonym of Planorbarius Duméril, 1805
- Subgenus Planorbis Agassiz in Charpentier, 1837: synonym of Gyraulus Charpentier, 1837
- † Planorbis declivis var. balizacensis Peyrot, 1932: synonym of † Anisus balizacensis
- Subgenus Planorbis Fitzinger, 1833: synonym of Valvata O. F. Müller, 1774
- Subgenus Planorbis Lörenthey, 1906: synonym of Anisus Studer, 1820
- Subgenus Planorbis Fleming, 1818: synonym of Segmentina Fleming, 1818Planorbis acronicus Férussac, 1807: synonym of Gyraulus acronicus Planorbis albus O. F. Müller, 1774: synonym of Gyraulus albus Planorbis argaeicus Sturany, 1904: synonym of Gyraulus argaeicus Planorbis atkinsoni Johnston, 1879: synonym of Gyraulus atkinsoni Planorbis biwaensis Preston, 1916: synonym of Gyraulus biwaensis Planorbis borealis Westerlund, 1875: synonym of Gyraulus borealis Planorbis campanulatus Say, 1821 accepted as Planorbella campanulata Planorbis chinensis Dunker, 1848: synonym of Gyraulus chinensis Planorbis contrarius O. F. Müller, 1774: synonym of Marisa cornuarietis Planorbis convexiusculus Hutton, 1849: synonym of Gyraulus convexiusculus Planorbis corinna Gray, 1850 accepted as Gyraulus corinnaPlanorbis costulatus Krauss, 1848: synonym of Gyraulus costulatus Planorbis crosseanus Bourguignat, 1862: synonym of Gyraulus albus Planorbis ehrenbergi Beck, 1837: synonym of Gyraulus ehrenbergi Planorbis essingtonensis E. A. Smith, 1882: synonym of Gyraulus essingtonensis Planorbis fragilis Tate, 1896: synonym of Gyraulus essingtonensis Planorbis gredleri Gredler, 1859: synonym of Gyraulus acronicus Planorbis hebraicus Bourguignat, 1852: synonym of Gyraulus hebraicus Planorbis hispidus Draparnaud, 1805: synonym of Gyraulus albus Planorbis imbricatus O. F. Müller, 1774: synonym of Gyraulus crista represented as Gyraulus crista Planorbis kahuica Finlay & Laws, 1931 accepted as Gyraulus kahuica Planorbis laevis Alder, 1838: synonym of Gyraulus laevis Planorbis leucostoma Millet, 1813: synonym of Anisus leucostoma Planorbis natalensis Krauss, 1848: synonym of Afrogyrorbis natalensis Planorbis paladilhi Moitessier, 1867: synonym of Gyraulus crista represented as Gyraulus crista Planorbis parvus Say, 1817: synonym of Gyraulus parvus Planorbis persicus Ancey, 1900: synonym of Planorbis intermixtus Mousson, 1874Planorbis piscinarum Bourguignat, 1852: synonym of Gyraulus piscinarum Planorbis riparius Westerlund, 1865: synonym of Gyraulus riparius Planorbis rossmaessleri Auerswald, 1851: synonym of Gyraulus rossmaessleri Planorbis rotula Benson, 1850: synonym of Gyraulus rotula Planorbis sivalensis Clessin, 1884: synonym of Gyraulus sivalensis Planorbis spirillus Gould, 1859: synonym of Gyraulus spirillus Planorbis spirorbis : synonym of Anisus spirorbis Planorbis thermalis Westerlund, 1885: synonym of Gyraulus laevis Planorbis umbilicatus : synonym of Planorbis planorbis Planorbis waterhousei Clessin, 1885: synonym of ''Gyraulus waterhousei''