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 Further reading Powell A. W. B. (1979). New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand, Planorbidae Jurassic gastropods Cretaceous gastropods Paleocene gastropods Eocene gastropods Oligocene gastropods Miocene gastropods Pliocene gastropods Pleistocene gastropods