Clausilia bidentata
Encyclopedia
Clausilia bidentata, the 'Two Toothed Door Snail' is a species of door snails, terrestrial
pulmonate gastropod mollusks in the genus Clausilia
belonging to the familyClausiliidae
, all of which have a clausilium
.
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These snails can mainly be encountered by night with wet weather, when they usually climb up the trees and feed on lichens.
Terrestrial animal
Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...
pulmonate gastropod mollusks in the genus Clausilia
Clausilia
Clausilia is a European genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium....
belonging to the familyClausiliidae
Clausiliidae
Clausiliidae, common name door snails, are a taxonomic family of small, very elongate, mostly left-handed, air-breathing land snails, sinistral terrestrial pulmonate gastropod mollusks....
, all of which have a clausilium
Clausilium
The clausilium is a calcareous anatomical structure which is found in one group of air-breathing land snails: terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails...
.
Distribution
This species is known to occur in most of European countries, including:- Czech Republic - in BohemiaBohemiaBohemia is a historical region in central Europe, occupying the western two-thirds of the traditional Czech Lands. It is located in the contemporary Czech Republic with its capital in Prague...
only - Great Britain
- Ireland
Description
It is a small cylindrical snail, long and thin. The shell size reaches 10–11 mm (0.393700787401575–0.433070866141732 ) of length. It is dark brown with evident spiral ribs, slight longitudinal grooves and a horny operculum.Gallery
Habitat
This species is commonly found under bark of trees or in crevices of rocks.These snails can mainly be encountered by night with wet weather, when they usually climb up the trees and feed on lichens.
Subspecies
- Clausilia bidentata abietina Dupuy, 1849
- Clausilia bidentata bidentata (Ström, 1765)
- Clausilia bidentata crenulata Risso, 1826
- Clausilia bidentata moniziana Lowe, 1852