Pisidium pseudosphaerium
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| Pisidium pseudosphaerium | |
|---|---|
| File:Pisidium pseudosphaerium.png | |
| 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.) | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Sphaeriida |
| Family: | Sphaeriidae |
| Genus: | Pisidium |
| Species: | P. pseudosphaerium
|
| Binomial name | |
| Pisidium pseudosphaerium Favre, 1927
| |
Pisidium pseudosphaerium is a species of freshwater bivalve from family Sphaeriidae.
Description
[edit | edit source]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
[edit | edit source]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
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ (in 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, Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ 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
[edit | edit source]
Wikimedia Commons has media related to Pisidium pseudosphaerium.
- Pisidium pseudosphaerium at Animalbase taxonomy, short description, biology, status (threats), images
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