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