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Animal Database
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Animal Database
Zospeum tholussum
A live individual of Zospeum tholussum
Information
Range Lukina jama–Trojama cave system of Croatia
Scientific Classification
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order (unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
Family Ellobiidae
Genus Zospeum
Species Zospeum tholussum

The Domed Land Snail (Zospeum tholussum) is a new species of cave-dwelling air-breathing land snails in the family Ellobiidae. It is a very small species with a shell height of less than 2 mm (0.08 in) and a shell width of around 1 mm (0.04 in). The Zospeum tholussum individuals are completely blind and possess translucent shells with five to six whorls. The second whorl of their shells has a characteristic dome-like shape. They are also extremely slow-moving and may depend on passive transportation through running water or larger animals for dispersal.

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