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.

Clausilia dubia

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Clausilioidea
Family:
Clausiliidae
Subfamily:
Clausiliinae
Tribe:
Clausiliini
Genus:
Clausilia
Species:
C. dubia
Binomial name
Clausilia dubia
Draparnaud, 1805

Distribution

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

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.[3]

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.
  2. Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.
  3. 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.


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