Clausilia dubia is a species of small, very elongate, left-handed air-breathing land snail, a sinistral terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium.
Subspecies
- Clausilia dubia alpicola <small>Clessin, 1878</small>
- Clausilia dubia bucculenta <small>Klemm, 1960</small>
- Clausilia dubia carpathica <small>Brancsik, 1888</small>
- Clausilia dubia dubia <small>Draparnaud, 1805</small>
- Clausilia dubia dydima <small>F. J. Schmidt, 1847</small>
- Clausilia dubia floningiana <small>Westerlund, 1890</small>
- Clausilia dubia geretica <small>Bourguignat, 1877</small>
- Clausilia dubia gracilior <small>Clessin, 1887</small>
- Clausilia dubia gratiosa <small>Sajó, 1968</small>
- Clausilia dubia grimmeri <small>L. Pfeiffer, 1848</small>
- Clausilia dubia huettneri <small>Klemm, 1960</small>
- Clausilia dubia ingenua <small>Hudec & Brabenec, 1963</small>
- Clausilia dubia kaeufeli <small>Klemm, 1960</small>
- Clausilia dubia otvinensis <small>H. von Gallenstein, 1895</small>
- Clausilia dubia runensis <small>Tschapeck, 1883</small>
- Clausilia dubia schlechtii <small>A. Schmidt, 1856</small>
- Clausilia dubia speciosa <small>A. Schmidt, 1856</small>
- Clausilia dubia suttoni <small>Westerlund, 1881</small>
- Clausilia dubia tettelbachiana <small>Rossmässler, 1838</small>
- Clausilia dubia vindobonensis <small>A. Schmidt, 1856</small>
Distribution
The species is widespread in Europe, living in countries and islands including (among others):
Description
All the species of snails in the family of door snails are left-handed, which is an uncommon feature in gastropods in general. These snails have shells which are extremely high-spired, with numerous whorls.
Clausilia dubia is a relatively large species for this family, reaching 16 mm in height.
The weight of the adult live snail is about 123 mg.
References
- Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017
- Sysoev, A. V. & Schileyko, A. A. (2009). Land snails and slugs of Russia and adjacent countries. Sofia/Moskva (Pensoft). 312 pp., 142 plates