Pisidium pseudosphaerium

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Pisidium pseudosphaerium
Pisidium pseudosphaerium.png
Photo of external view of the left valve of Pisidium pseudosphaerium
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
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Heterodonta
Order: Veneroida
Suborder: Sphaeriacea
Family: Sphaeriidae
Genus: Pisidium
Species: P. pseudosphaerium
Binomial name
Pisidium pseudosphaerium
Favre, 1927

Pisidium pseudosphaerium is a species of freshwater bivalve from family Sphaeriidae.


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.


Its native distribution is central-European and western-European.


  1. ^ Killeen, I. (2011). "Pisidium pseudosphaerium". IUCN Red List of Threatened Species. Version 2011.2. International Union for Conservation of Nature. Retrieved 11 April 2012. 
  2. ^ (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.
  3. ^ Red List of the molluscs (Mollusca) of the Czech Republic http://mollusca.sav.sk/malacology/redlist.htm
  4. ^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
  5. ^ "Threatened and Near Threatened molluscs". www.environment.fi. Finnish Environment Institute. 2001. Retrieved 11 April 2012. 
  6. ^ Kuiper, J. G. J.; Økland, K. A.; Knudsen, J.; Koli, L.; von Proschwitz, T. & Valovirta, I. (1989), "Geographical distribution of the small mussels (Sphaeriidae) in North Europe (Denmark, Faroes, Finland, Iceland, Norway and Sweden)" (PDF), Annales Zoologici Fennici, 26 (2): 73–101 
  7. ^ 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]