''Pisidium tenuilineatum'', the fine-lined pea mussel, is a species of very small

freshwater bivalve Freshwater bivalves are one kind of freshwater mollusc, along with freshwater snails. They are bivalves that live in fresh water as opposed to salt water, which is the main habitat type for bivalves. The majority of species of bivalve molluscs l ...

in the family

Sphaeriidae Sphaeriidae is a family of small to minute freshwater bivalve molluscs in the order Sphaeriida. In the US, they are commonly known as pea clams or fingernail clams. Heard, William H. 1977. Reproduction of fingernail clams (Sphaeriidae: ''Sphaeri ...

Distribution

The species is native to Europe. * British Isles – listed in

List of endangered species in the British Isles This is a list of United Kingdom Biodiversity Action Plan species. Some suffer because of loss of habitat, but many are in decline following the introduction of foreign species, which out-compete the native species or carry disease. See also th ...

. It is rare in Great Britain. *

Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...

– in Bohemia, in Moravia, critically endangered * Denmark * Germany – high endangered (''Stark gefährdet'') * Poland –

Near Threatened A near-threatened species is a species which has been categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature as that may be vulnerable to endangerment in the near future, but it does not currently qualify fo ...

(NT, mentioned as lower risk LR) * Netherlands * Slovakia – a rare species * Sweden * and other states

Distribution

References

Further reading