Ancylus is a genus of very small, freshwater, air-breathing limpets. They are aquatic pulmonate gastropod mollusks in the tribe Ancylini within the family Planorbidae, the ram's horn snails and their allies.Bouchet, P.; Rosenberg, G. (2014). Ancylus O. F. Müller, 1773. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=559196 on 2014-11-15
The genus is known throughout the Cenozoic. Pek I., Vašíček Z., Roček Z., Hajn V. & Mikuláš R. (1996): Základy zoopaleontologie. Olomouc, 264 pp., .
Species Species in the genus Ancylus include: Ancylus aduncus A. A. Gould, 1847"Species in genus Ancylus (n=6)". AnimalBase, accessed 7 July 2012. † Ancylus alutae Jekelius, 1932 Ancylus ashangiensis Brown, 1965 Ancylus benoitianus Bourguignat, 1862 † Ancylus bourgeoisi Deshayes, 1863 † Ancylus boyeri Noulet, 1867 † Ancylus braunii Dunker, 1853 Ancylus capuloides Jan in Porro, 1838 † Ancylus cestasensis Peyrot, 1932 † Ancylus depressus Deshayes, 1824 † Ancylus dumasi Fontannes, 1884 † Ancylus elegans J. de C. Sowerby, 1826 Ancylus expansilabris Clessin, 1881 Ancylus fluviatilis Müller, 1774 - the type species † Ancylus hungaricus Brusina, 1902 Ancylus lapicidus Hubendick, 1960 † Ancylus lyelli Maillard, 1892 † Ancylus moravicus Rzehak, 1893 † Ancylus ninghaiensis Youluo, 1978 † Ancylus parmophorus de Stefani, 1880 Ancylus pileolus Ancylus recurvus Martens, 1873 Ancylus regularis Brown, 1973 Ancylus rupicola Boubée, 1832 † Ancylus saucatsensis Peyrot, 1932 (?) Ancylus scalariformis Stankovic & Radoman, 1953 † Ancylus serbicus Brusina, 1893 Ancylus striatus Quoy & Gaimard, 1834 Ancylus subcircularis Clessin, 1880 † Ancylus subcostatus Benoist, 1873 Ancylus tapirulus Polinski, 1929
Synonyms † Ancylus croaticus Brusina, 1902: synonym of † Acroloxus croaticus (Brusina, 1902) † Ancylus decussatus Reuss in Reuss & Meyer, 1849: synonym of †Acroloxus decussatus (Reuss in Reuss & Meyer, 1849) † Ancylus deperditolacustris Gottschick, 1911: synonym of † Acroloxus deperditolacustris (Gottschick, 1911) † Ancylus deperditus (Desmarest, 1814): synonym of † Ferrissia deperdita (Desmarest, 1814) Ancylus drouetianus Bourguignat, 1862: synonym of Williamia gussoni (Costa O. G., 1829) Ancylus fuscus C. B. Adams, 1840: synonym of Laevapex fuscus (C. B. Adams, 1840) Ancylus gibbosus Bourguignat, 1862: synonym of Williamia gussoni (Costa O. G., 1829) Ancylus gussonii O. G. Costa, 1829: synonym of Williamia gussonii (O. G. Costa, 1829) † Ancylus illyricus Neumayr, 1880: synonym of †Ferrissia illyrica (Neumayr, 1880) † Ancylus involutus Pavlović, 1903: synonym of † Acroloxus involutus (Pavlović, 1903) † Ancylus michaudi Locard, 1878: synonym of † Acroloxus michaudi (Locard, 1878) † Ancylus neumayri Fontannes, 1881: synonym of †Ferrissia neumayri (Fontannes, 1881) Ancylus patelloides I. Lea, 1856: synonym of Lanx patelloides (I. Lea, 1856) † Ancylus pontileviensis Morgan, 1920: synonym of † Ferrissia pontileviensis (Morgan, 1920) † Ancylus wittmanni Schlickum, 1964: synonym of † Ferrissia wittmanni (Schlickum, 1964)
Cladogram A cladogram based on sequences of mitochondrial 16S ribosomal RNA and cytochrome-c oxidase I (COI) genes showing phylogenic relations of Ancylus by Albrecht et al. (2006):Albrecht C., Trajanovski S., Kuhn K., Streit B. & Wilke T. (2006). "Rapid evolution of an ancient lake species flock: Freshwater limpets (Gastropoda: Ancylidae) in the Balkan Lake Ohrid". Organisms Diversity & Evolution 6(4): 294-307. .
References
Further reading 2000. Ancylidae (On-line), Animal Diversity Web. http://animaldiversity.ummz.umich.edu/site/accounts/information/Ancylidae.html