''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,
[ Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. nnotated list of mollusc species recorded outdoors in the Czech and Slovak Republics. ''Malacologica Bohemoslovaca'', Suppl. 1: 1-37]
PDF
critically endangered (CR)
* Germany - critically endangered (''vom Aussterben bedroht'')
*
Nordic countries
The Nordic countries (also known as the Nordics or ''Norden''; literal translation, lit. 'the North') are a geographical and cultural region in Northern Europe and the Atlantic Ocean, North Atlantic. It includes the sovereign states of Denmar ...
: Denmark, Finland (
near threatened), Norway and Sweden (not recorded in Faroes, Iceland)
*
Great Britain and
Ireland[Roy Anderson ,2005 An annotated list of the non-marine molluscs of Britain and Ireland Journal of Conchology, 38 (6): 607–637, (published 2005]
References
External links
''Pisidium pseudosphaerium''at
Animalbase taxonomy,short description, biology,status (threats), images
pseudosphaerium
Bivalves described in 1927
Bivalves of Europe
{{Sphaeriidae-stub