Sphaerium corneum
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| Sphaerium corneum | ||||||||||||||||||
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| Sphaerium corneum (Linnaeus, 1758) |
Sphaerium corneum, also known as the European fingernailclam, is a very small freshwater clam, an aquatic bivalve mollusk in the family Sphaeriidae, the fingernail clams.
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[edit] Description
The shell is fairly globular and is up to 9 mm in size. The color of the shell is usually a deep yellow, tending towards brown.
[edit] Biology
- hermaphroditic
- lives up to 3 years
[edit] Distribution and conservation status
- Not mentioned in IUCN Red List - Not Evaluated (NE) [1]
It's native distribution is Palearctic.
- Czech Republic - least concern (LC)[2]
- Germany - a common species in most of Germany, but it is in listed as endangered (gefährdet) in Thuringia[3]
- Netherlands[4]
- Sweden[5]
- United states - nonindigenous[6]
- and many other countries
In freshwater: standing water and slow-running rivers.
[edit] References
- ^ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited March 24 2007.
- ^ Juřičková L., Horsák M. & Beran L., 2001: Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem., 65: 25-40.
- ^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
- ^ http://www.anemoon.org/anm/voorlopige-kaarten/zoetwatermollusken/wetenschappelijk/sphaerium-corneum
- ^ The Large Freshwater mussels - Naturhistoriska riksmuseet
- ^ Amy Benson. 2007. Sphaerium corneum. USGS Nonindigenous Aquatic Species Database, Gainesville, FL. <http://nas.er.usgs.gov/queries/FactSheet.asp?speciesID=131> Revision Date: 4/20/2004
[edit] External links
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