Clausilia dubia

Clausilia dubia
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Clausiliidae
Genus:	Clausilia
Species:	C. dubia
Binomial name
Clausilia dubia Draparnaud, 1805
Synonyms
Clausilia (Andraea) dubiaDraparnaud, 1805· accepted, alternate representation Clausilia (Clausilia) dubiaDraparnaud, 1805

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. ^[2]

Subspecies

• Clausilia dubia alpicolaClessin, 1878
• Clausilia dubia bucculentaKlemm, 1960
• Clausilia dubia carpathicaBrancsik, 1888
• Clausilia dubia dubiaDraparnaud, 1805
• Clausilia dubia dydimaF. J. Schmidt, 1847
• Clausilia dubia floningianaWesterlund, 1890
• Clausilia dubia gereticaBourguignat, 1877
• Clausilia dubia graciliorClessin, 1887
• Clausilia dubia gratiosaSajó, 1968
• Clausilia dubia grimmeriL. Pfeiffer, 1848
• Clausilia dubia huettneriKlemm, 1960
• Clausilia dubia ingenuaHudec & Brabenec, 1963
• Clausilia dubia kaeufeliKlemm, 1960
• Clausilia dubia otvinensisH. von Gallenstein, 1895
• Clausilia dubia runensisTschapeck, 1883
• Clausilia dubia schlechtiiA. Schmidt, 1856
• Clausilia dubia speciosaA. Schmidt, 1856
• Clausilia dubia suttoniWesterlund, 1881
• Clausilia dubia tettelbachianaRossmässler, 1838
• Clausilia dubia vindobonensisA. Schmidt, 1856

Distribution

The species is widespread in Europe, living in countries and islands including (among others): ^[1]

• Austria
• Czech Republic
• Great Britain, the north of England
• Slovakia
• Ukraine ^[3]

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. ^[4]

References

1. Seddon, M.B. (2017). "Clausilia dubia". IUCN Red List of Threatened Species . 2017 e.T171379A85578820. doi: 10.2305/IUCN.UK.2017-3.RLTS.T171379A85578820.en . Retrieved 20 November 2021.
2. MolluscaBase eds. (2020). MolluscaBase. Clausilia dubia Draparnaud, 1805. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=1050049 on 2020-08-17
3. Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.
4. Boch, Steffen; Prati, Daniel; Werth, Silke; Rüetschi, Jörg; Fischer, Markus & Evans, Darren Mark (2011). "Lichen endozoochory by snails". PLOS ONE. 6 (4) e18770. doi: 10.1371/journal.pone.0018770 . PMC   3076439 . PMID   21533256.

• 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