Appearance
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.
Naming
* ''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 :⤷ Austria
⤷ Czech Republic
⤷ Great Britain, the north of England
⤷ Slovakia
⤷ Ukraine
References:
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