Pisidium pseudosphaerium
From Infogalactic: the planetary knowledge core
| Pisidium pseudosphaerium | |
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| Photo of external view of the left valve of Pisidium pseudosphaerium | |
| File:Pisidium pseudosphaerium 2.png | |
| Photo of external umbilical view of both valves of Pisidium pseudosphaerium. (Left valve is on the lef, right valve is on the right.) | |
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P. pseudosphaerium
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| Binomial name | |
| Pisidium pseudosphaerium Favre, 1927
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Pisidium pseudosphaerium is a species of freshwater bivalve from family Sphaeriidae.
Description
The 2.5-3.2mm. shell is a flattened, regular, slightly angulated oval shape with low central umbos.The surface is silky with very fine concentric striations.In colour it is straw-yellow with scattered red-brown deposits.
Distribution
Its native distribution is central-European and western-European.
- Czech Republic - in Bohemia, in Moravia,[2] critically endangered (CR)[3]
- Germany - critically endangered (vom Aussterben bedroht) [4]
- Nordic countries: Denmark, Finland (near threatened[5]), Norway and Sweden (not recorded in Faroes, Iceland)[6]
- Great Britain and Ireland [7]
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ (Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.
- ↑ Red List of the molluscs (Mollusca) of the Czech Republic http://mollusca.sav.sk/malacology/redlist.htm
- ↑ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Roy Anderson ,2005 An annotated list of the non-marine molluscs of Britain and Ireland Journal of Conchology, 38 (6): 607–637, (published 2005) [1].
External links
- Pisidium pseudosphaerium at Animalbase taxonomy,short description, biology,status (threats), images
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