Pisidium supinum
Encyclopedia
Pisidium supinum is a species
of minute freshwater
clam, a pea clam, an aquatic
bivalve mollusc in the family Sphaeriidae (the fingernail clams and pea clams.)
The shell of this species is 3 to 5 mm in size, and is roughly triangular in shape.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of minute freshwater
Freshwater
Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...
clam, a pea clam, an aquatic
Aquatic animal
An aquatic animal is an animal, either vertebrate or invertebrate, which lives in water for most or all of its life. It may breathe air or extract its oxygen from that dissolved in water through specialised organs called gills, or directly through its skin. Natural environments and the animals that...
bivalve mollusc in the family Sphaeriidae (the fingernail clams and pea clams.)
The shell of this species is 3 to 5 mm in size, and is roughly triangular in shape.
Distribution
It's native distribution is Palearctic.- Czech Republic - in Bohemia, in Moravia, vulnerableVulnerable speciesOn 30 January 2010, the IUCN Red List of Threatened Species identified 9694 Vulnerable species, subspecies and varieties, stocks and sub-populations.-References:...
(VU) - Germany - endangered (gefährdet)