Sphaerium corneum

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Sphaerium corneum
Scientific classification
Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Subclass: Heterodonta Order: Veneroida Suborder: Sphaeriacea Family: Sphaeriidae Genus: Sphaerium Species: S. corneum
Binomial name
Sphaerium corneum (Linnaeus, 1758)

European fingernailclam, Sphaerium corneum is a freshwater bivalve of the family Sphaeriidae.

Contents 1 Description 2 Biology 3 Distribution 4 Conservation status 5 Reference 6 External links

[edit] Description

• Shell up to 9 mm.

[edit] Biology

• hermaphroditic
• live up to 3 years

[edit] Distribution

Palearctic.

In freshwater standing water and slow-runing rivers.

[edit] Conservation status

• not mentioned in IUCN Red List - Not Evaluated (NE) ^[1]

• Czech Republic - least concern (LC) ^[2]
• Germany - common species in the whole Germany, but it is in listed as endangered (gefährdet) in Thüringen ^[3]
• Netherlands ^[4]
• Sweden ^[5]
• United states - nonindigenous^[6]
• and many other countries

[edit] Reference

1. ^ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited March 24 2007.
2. ^ Juřičková L., Horsák M. & Beran L., 2001: Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem., 65: 25-40.
3. ^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
4. ^ http://www.anemoon.org/anm/voorlopige-kaarten/zoetwatermollusken/wetenschappelijk/sphaerium-corneum
5. ^ [1]
6. ^ 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

• http://www.biolib.cz/en/taxon/id3012