Helicodonta

Helicodonta
Three shells of Helicodonta obvoluta, two juveniles and one adult. Scale bar shows mm and cm
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Infraorder:	Helicoidei
Superfamily:	Helicoidea
Family:	Helicodontidae
Genus:	Helicodonta Férussac, 1821
Type species
Helix obvoluta O. F. Müller, 1774
Synonyms
Chilodon Ehrenberg, 1831 Euphemia H. Beck, 1847 Gonostoma Held, 1838 Helicodonta (Helicodonta) A. Férussac, 1821· accepted, alternate representation Helix (Gonostoma) Held, 1838 (invalid: junior homonym of Gonostoma Rafinesque, 1810) Helix (Helicodonta) A. Férussac, 1821 Helix (Trigonostoma) Fitzinger, 1833 (Invalid: Junior homonym of Trigonostoma Blainville, 1825 [Cancellariidae]; also a junior objective synonym of Helicodonta) Helix (Vortex) Beck, 1837 (Invalid: junior objective synonym of Helicodonta ) Trigonostoma Fitzinger, 1833 (Invalid: Junior homonym of Trigonostoma Blainville, 1825 [Cancellariidae]; also a junior objective synonym of Helicodonta) Vortex H. Beck, 1837 (Invalid: junior objective synonym of Helicodonta)

Helicodonta, common name the "cheese snail", is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the subfamily Helicodontinae of the family Helicodontidae.

The common name is based on the shape of the shell, which is reminiscent of a wheel of cheese.

Species

Species within the genus Helicodonta include:

• Helicodonta angigyra (Rossmässler, 1834)
• Helicodonta langhofferi Wagner, 1912
• Helicodonta obvoluta (Müller, 1774)
• Helicodonta wilhelminae Maassen, 1991

Species brought into synonymy

• Helicodonta gyria (J. R. Roth, 1839) : synonym of Lindholmiola gyria (J. R. Roth, 1839) (unaccepted combination)
• Helicodonta hispanica Gude, 1910 : synonym of Suboestophora hispanica (Gude, 1910) (original combination)
• Helicodonta involuta (Thomä, 1845) † : synonym of Protodrepanostoma involutum (Thomä, 1845) † (new combination)
• Helicodonta planorbiformis (Sacco, 1886) † : synonym of Protodrepanostoma planorbiforme (Sacco, 1886) †
• Helicodonta sculpturata Gray, 1838 : synonym of Sculptaria sculpturata (Gray, 1838) (original combination)

References

• Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16, 2017
• Zilch, A. (1959-1960). Gastropoda. Teil 2. Euthyneura. In: O.H. Schindewolf (ed.), Handbuch der Paläozoologie, 6 (2, 1): 1-200 (17 July 1959); (2, 2): 201-400 (25 November 1959); (2, 3): 401-600 (30 March 1960); (2, 4): 601–834, I-XII (15 August 1960). Berlin (Borntraeger).

External links

• Held, F. (1837-1838). Notizen über die Weichthiere Bayerns. Isis (Oken), 30 (4): 303-309 (1837); 30 (12): 901-919 (1838). Leipzig
• Fitzinger, L.J. (1833). Systematisches Verzeichniß der im Erzherzogthume Oesterreich vorkommenden Weichthiere, als Prodrom einer Fauna derselben. Beiträge zur Landeskunde Oesterreichs's unter der Enns, 3: 88-122. Wien
• Férussac, A.E.J.P.F. d'Audebard de. (1821-1822). Tableaux systématiques des animaux mollusques classés en familles naturelles, dans lesquels on a établi la concordance de tous les systèmes; suivis d'un Prodrome général pour tous les mollusques ou fluviatiles, vivantes ou fossiles. Paris, 1821 et 1822.
• Beck, H. (1837). Index molluscorum praesentis aevi musei principis augustissimi Christiani Frederici. 1-124. Hafniae