Helicodonta

Helicodonta
	Three shells of Helicodonta obvoluta, two juveniles and one adult. Scale bar shows mm and cm
Scientific classification
Domain:	Eukaryota
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 species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the subfamily Helicodontinae of the family Helicodontidae.^[2]

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 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)

^ Férussac, A. E. J. P. J. 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 terrestres ou fluviatiles, vivants ou fossiles. pp. j-xlvij [= 1-47], [1], 1-110, [1]. Paris, Londres. (Bertrand, Sowerby).
^ MolluscaBase eds. (2021). MolluscaBase. Helicodonta A. Férussac, 1821. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=887088 on 2021-02-01

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).

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