Alinda biplicata, also known as Balea biplicata, common name the two lipped door snail or Thames door snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium. [3] [4][5]
| Alinda biplicata | |
|---|---|
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| Shell of Alinda biplicata | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Clausiliidae |
| Genus: | Alinda |
| Species: | A. biplicata
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| Binomial name | |
| Alinda biplicata | |
| Synonyms | |
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Distribution
editThis species is known to occur in a number of European countries and islands including:
This species is rare in Great Britain. In England, it is found mainly in the London area, almost exclusively along the River Thames, and is particularly preserved at Isleworth Ait.[6] There is also a colony at Purfleet in Essex.[7]
1 - Lamella superior
2 - Lamella inferior
3 - Lamella subcolumellaris
4 - Lunella
5 - Clausilium
6 - Plica medialis
7 - Plica principalis
8 - Lamella spiralis
Description
editLike all species in this family, this snail has a clausilium. This spoon-shaped "door" is supported by, and slides in, a series of internal shell folds, see the image below.
The weight of the adult live snail is 149±6 mg.[8]
References
edit- ^ Kappes, H. (2018) [errata version of 2017 assessment]. "Alinda biplicata". IUCN Red List of Threatened Species. 2017: e.T75882194A134891554. doi:10.2305/IUCN.UK.2017-3.RLTS.T75882194A75882200.en. Retrieved 1 May 2018.
- ^ Montagu, G. (1803). Testacea Britannica, or natural history of British shells. pp. I-XXXVIII [= 1-38], 1-606, [1-4], pl. 1-16. London.
- ^ Alinda biplicata (Montagu, 1803). 14 August 2024. Retrieved through: World Register of Marine Species.
- ^ Kantor Yu I., Vinarski M. V., Schileyko A. A. & Sysoev A. V. (published online on March 2, 2010). "Catalogue of the continental mollusks of Russia and adjacent territories". http://www.ruthenica.com/documents/Continental_Russian_molluscs_ver2-3-1.pdf Version 2.3.1.
- ^ fauna-eu.org "Alinda (Alinda) biplicata (Montagu 1803)". Fauna Europaea, last update 27 January 2011, accessed 17 April 2011.
- ^ Rare snail habitat is protected. BBC News, last updated: Thursday, 22 February 2007, 11:16 GMT.
- ^ "Island Sanctuary For Sweaty, Hairy Snails Becomes London's Latest Local Nature Reserve". Thames Water. 22 February 2007. Archived from the original on 24 March 2008.
- ^ Boch, Steffen; Prati, Daniel; Werth, Silke; Rüetschi, Jörg; Fischer, Markus (2011). "Lichen endozoochory by snails". PLOS ONE. 6 (4): e18770. Bibcode:2011PLoSO...618770B. doi:10.1371/journal.pone.0018770. PMC 3076439. PMID 21533256.
External links
edit- Balea biplicata at AnimalBase
- Balea biplicata at BioLib with images and synonyms
- images
- Photo of a mating pair: [1]
- Sulikowska-Drozd A., Maltz T. K. & Kappes H. (2013). "Brooding in a temperate zone land snail: seasonal and regional patterns". Contributions to Zoology 82(2): http://www.ctoz.nl/vol82/nr02/a02