Ancylus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: Euthyneura
Cohors: Tectipleura
Subcohors: Panpulmonata
Superordo: Hygrophila
Superfamilia: Lymnaeoidea

Familia: Planorbidae
Subfamilia: Ancylinae
Tribus: Ancylini
Genus: Ancylus
Species: A. fluviatilis
Name

Ancylus Müller, 1774

References

Global Biodiversity Information Facility. 2019. GBIF Backbone Taxonomy. Checklist dataset. Taxon: Ancylus. [accessed on 25 June 2020]

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.[2]

The genus is known throughout the Cenozoic.[3]
Species

Species in the genus Ancylus include:

Ancylus aduncus A. A. Gould, 1847[4]
† Ancylus alutae Jekelius, 1932
Ancylus ashangiensis Brown, 1965[5]
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[6] - the type species[4]
† Ancylus hungaricus Brusina, 1902
Ancylus lapicidus Hubendick, 1960[6][4]
† Ancylus lyelli Maillard, 1892
† Ancylus moravicus Rzehak, 1893
† Ancylus ninghaiensis Youluo, 1978
† Ancylus parmophorus de Stefani, 1880
Ancylus pileolus[6]
Ancylus recurvus Martens, 1873
Ancylus regularis Brown, 1973[7]
Ancylus rupicola Boubée, 1832[6]
† Ancylus saucatsensis Peyrot, 1932 (?)
Ancylus scalariformis Stankovic & Radoman, 1953[6][4]
† Ancylus serbicus Brusina, 1893
Ancylus striatus Quoy & Gaimard, 1834[4]
Ancylus subcircularis Clessin, 1880
† Ancylus subcostatus Benoist, 1873
Ancylus tapirulus Polinski, 1929[6][4]

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):[6]

Ancylus

Ancylus sp. C

Ancylus sp. D

	Ancylus tapirulus

	Ancylus lapicidus

	Ancylus scalariformis

Ancylus sp. B

	Ancylus sp. A

	Ancylus fluviatilis

References

Müller O. F. (1773). Vermivm terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum, et testaceorum, non marinorum, succincta historia. Volumen alterum. - pp. I-XXVI [= 1-36], 1-214, [1-10]. Havniae & Lipsiae. (Heineck & Faber). (1774)
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
(in Czech) Pek I., Vašíček Z., Roček Z., Hajn V. & Mikuláš R. (1996): Základy zoopaleontologie. Olomouc, 264 pp., ISBN 80-7067-599-3.
"Species in genus Ancylus (n=6)". AnimalBase, accessed 7 July 2012.
Van Damme D. (2010). Ancylus ashangiensis[permanent dead link]. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. <www.iucnredlist.org>. Downloaded on 7 July 2012.
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. doi:10.1016/j.ode.2005.12.003.

Van Damme D. (2010). Ancylus regularis[permanent dead link]. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. <www.iucnredlist.org>. Downloaded on 7 July 2012.