Clausilia bidentata

Clausilia bidentata
	Clausilia bidentata var. crenulata
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Order:	Stylommatophora
Family:	Clausiliidae
Genus:	Clausilia
Species:	C. bidentata
Binomial name
	Clausilia bidentata; (Strøm, 1765)
Synonyms
	Turbo Bidentatus Strøm, 1765; Clausilia nigricans Maton & Rackett, 1807 ;

Clausilia bidentata, the two-toothed door snail, is a species of door snails, terrestrial pulmonate gastropod mollusks in the genus Clausilia belonging to the family Clausiliidae, all of which have a clausilium.

Subspecies[edit]

Clausilia bidentata abietina Dupuy, 1849
Clausilia bidentata bidentata (Ström, 1765)
Clausilia bidentata crenulata Risso, 1826
Clausilia bidentata moniziana Lowe, 1852

Distribution[edit]

This species is present in much of western Europe,^[1] including:

Habitat[edit]

This species is commonly found under bark of trees or in crevices of rocks. The snails are often encountered when they are most active, at night during wet weather, at which time they often climb up trees and feed on lichens.

Description[edit]

The shell of this snail is a small and cylindrical snail, very high-spired and narrow. The shell length reaches 10–11 millimetres (0.39–0.43 in). The shell is dark brown with noticeable spiral ribs, slight longitudinal grooves, and a horny operculum.

Gallery[edit]

References[edit]

^ ^a ^b Seddon, M.B. (2017). "Clausilia bidentata". IUCN Red List of Threatened Species. 2017: e.T171591A1328595. doi:10.2305/IUCN.UK.2017-3.RLTS.T171591A1328595.en. Retrieved 19 November 2021.
^ Strøm, H. (1765). "Beskrivelse over Norske insecter, første stykke". Det Trondhiemske Selskabs Skrifter. 3: 376–439, Tab. VI.

Anderson, R. 2005, An Annotated List of the Non-Marine Mollusca of Britain and Ireland, Journal of Conchology, London, 38: 607-638
Kerney, M, 1999, Atlas of the Land and Freshwater Molluscs of Britain and Ireland, Harley Books, Colchester

External links[edit]

Clausilia bidentata at Animalbase taxonomy,short description, distribution, biology,status (threats), images
Fauna Europaea
Biolib
Habitas
Naturespot

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[iucn_status_19_November_2021-1] Seddon, M.B. (2017). "Clausilia bidentata". IUCN Red List of Threatened Species. 2017: e.T171591A1328595. doi:10.2305/IUCN.UK.2017-3.RLTS.T171591A1328595.en. Retrieved 19 November 2021.

[Strøm_1765-2] Strøm, H. (1765). "Beskrivelse over Norske insecter, første stykke". Det Trondhiemske Selskabs Skrifter. 3: 376–439, Tab. VI.

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