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.

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)