• Source: Clausilia dubia

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 Clessin, 1878
Clausilia dubia bucculenta Klemm, 1960
Clausilia dubia carpathica Brancsik, 1888
Clausilia dubia dubia Draparnaud, 1805
Clausilia dubia dydima F. J. Schmidt, 1847
Clausilia dubia floningiana Westerlund, 1890
Clausilia dubia geretica Bourguignat, 1877
Clausilia dubia gracilior Clessin, 1887
Clausilia dubia gratiosa Sajó, 1968
Clausilia dubia grimmeri L. Pfeiffer, 1848
Clausilia dubia huettneri Klemm, 1960
Clausilia dubia ingenua Hudec & Brabenec, 1963
Clausilia dubia kaeufeli Klemm, 1960
Clausilia dubia otvinensis H. von Gallenstein, 1895
Clausilia dubia runensis Tschapeck, 1883
Clausilia dubia schlechtii A. Schmidt, 1856
Clausilia dubia speciosa A. Schmidt, 1856
Clausilia dubia suttoni Westerlund, 1881
Clausilia dubia tettelbachiana Rossmässler, 1838
Clausilia dubia vindobonensis A. Schmidt, 1856




Distribution


The species is widespread in Europe, living in countries and islands including (among others):

Austria
Czech Republic
Great Britain, the north of England
Slovakia
Ukraine




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

Kata Kunci Pencarian:

• Clausilia dubia
• Clausilia
• C. dubia
• List of non-marine molluscs of Austria
• Hippolyt Tschapeck
• Clausiliidae
• List of non-marine molluscs of Romania
• List of non-marine molluscs of Lithuania
• List of non-marine molluscs of the Czech Republic
• List of non-marine molluscs of Spain