Ancylus

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]

For a prehistoric state of the Baltic Sea, see Ancylus Lake.

Ancylus
Temporal range: Cenozoic
Ancylus fluviatilis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Clade: Hygrophila
Superfamily: Lymnaeoidea
Family: Planorbidae
Genus: Ancylus
O. F. Müller, 1773[1]
Species

See text

Synonyms
  • Ancilus O.F. Müller, 1773 (a misspelling of the generic name Ancylus)
  • Pseudancylus Walker, 1921 (junior objective synonym of Ancylus)
  • Velletia (Ancylus) O. F. Müller, 1773 (new combination)

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

 
 
 
gollark: And apparently may have *some* effect in reducing how likely you are to get it.
gollark: Also, the "disaster is inevitable" thing seems... wrong. I think if stuff is handled correctly humanity can weather the problems we currently are and are going to experience and, er, do well. Problem is that there are lots of ways to do things very wrong.
gollark: *Probably* still better than before cities and stuff. Diseases spread anyway then, but less so, and we can actually treat them and have hygiene and sanitation now.
gollark: Still, I think on the whole we're better off disease-wise than the people of, say, 400 years ago.
gollark: Hmm, I suppose so on the population densities one.

References
  1. 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)
  2. 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
  3. (in Czech) Pek I., Vašíček Z., Roček Z., Hajn V. & Mikuláš R. (1996): Základy zoopaleontologie. Olomouc, 264 pp., ISBN 80-7067-599-3.
  4. "Species in genus Ancylus (n=6)". AnimalBase, accessed 7 July 2012.
  5. Van Damme D. (2010). Ancylus ashangiensis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. <www.iucnredlist.org>. Downloaded on 7 July 2012.
  6. 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.
  7. Van Damme D. (2010). Ancylus regularis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. <www.iucnredlist.org>. Downloaded on 7 July 2012.

Further reading
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