Alinda biplicata
| Alinda biplicata | |
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| File:Alinda biplicata 2.jpg | |
| A drawing of a shell of Alinda biplicata | |
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NE[1]
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clade Heterobranchia
clade Euthyneura |
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A. biplicata
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| Binomial name | |
| Alinda biplicata |
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Alinda biplicata,[3][4] 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.
Distribution
This 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.[5] There is also a colony at Purfleet in Essex.[6]
- and other areas
1 - Lamella superior
2 - Lamella inferior
3 - Lamella subcolumellaris
4 - Lunella
5 - Clausilium
6 - Plica medialis
7 - Plica principalis
8 - Lamella spiralis
Description
Like 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 148.6±5.7 mg.[7]
References
- ↑ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. cited October 16, 2007.
- ↑ Montagu, G. (1803). Testacea Britannica, or natural history of British shells. pp. I-XXXVIII [= 1-38], 1-606, [1-4], pl. 1-16. London.
- ↑ 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". Version 2.3.1.
- ↑ [http://www.faunaeur.org/full_results.php?id=422503 "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.
- ↑ Water Island Sanctuary For Sweaty, Hairy Snails Becomes London's Latest Local Nature Reserve 22 Feb 07
- ↑ Boch S., Prati D., Werth S., Rüetschi J. & Fischer M. (2011). "Lichen Endozoochory by Snails". PLoS ONE 6(4): e18770. doi:10.1371/journal.pone.0018770.
External links
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Wikimedia Commons has media related to Alinda biplicata. |
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- 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
