Pisidium amnicum

Taxobox
name = "Pisidium amnicum"


image_caption =
image_width = 250px
status = NE
regnum = Animalia
phylum = Mollusca
classis = Bivalvia
subclassis = Heterodonta
ordo = Veneroida
subordo = Sphaeriacea
superfamilia =
familia = Sphaeriidae
subfamilia =
genus = "Pisidium"
subgenus =
species = "P. amnicum"
binomial = "Pisidium amnicum"
binomial_authority = (O. F. Müller, 1774)
range_

range_map_width = 250px
synonyms =

"Pisidium amnicum" is a species of very small freshwater clam. It is sometimes known as the greater European peaclam, an aquatic bivalve in the family Sphaeriidae.

Description and ecology

Although only 9 mm in length, this species is considerably larger than most "Pisidium" species, and has a fairly thick, concentrically ridged shell. In Europe it requires high levels of calcium and clean water.

Distribution and conservation status

* Not listed in IUCN red list - not evaluated (NE) [2006 IUCN Red List of Threatened Species. . Cited 17 May 2007.]

It's native distribution is Palearctic. The species has been introduced to northeastern North America.

* Czech Republic - endangered (EN), endangered in Bohemia (EN), critically endangered in Moravia [Red List of the molluscs (Mollusca) of the Czech Republic http://mollusca.sav.sk/malacology/redlist.htm]
* Germany - high endangered ("Stark gefährdet") [Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2]

References

External links