Pisidium pseudosphaerium
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, critically endangered
- Germany - critically endangered
- Nordic countries: Denmark, Finland, Norway and Sweden
- Great Britain and Ireland