Sphaerium

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Sphaerium
Scientific classification
Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Subclass: Heterodonta Order: Veneroida Suborder: Sphaeriacea Family: Sphaeriidae Genus: Sphaerium

Fingernailclam, Sphaerium is a genus of bivalves of the family Sphaeriidae.

[edit] Species

Species include

• subgenus Sphaerium Scopoli, 1777
  • Sphaerium corneum (Linnaeus, 1758) - European fingernailclam

• subgenus Nucleocyclas Alimov & Starobogatov, 1968
  • Sphaerium nucleus (Studer, 1820)
  • Sphaerium ovale (A. Férussac, 1807)

• subgenus Parasphaerium Alimov & Starobogatov, 1968
  • Sphaerium nitidum Clessin, 1876 - Arctic Fingernailclam

• subgenus Amesoda Rafinesque, 1820
  • Sphaerium rivicola (Lamarck, 1818)

• subgenus Cyrenastrum Bourguignat, 1854
  • Sphaerium solidum (Normand, 1844)

• without subgenus
  • Sphaerium asiaticum (Martens, 1864)
  • Sphaerium bequaerti (Dautzenberg & Germain, 1914) - data deficient (DD)^[1]
  • Sphaerium cornuta
  • Sphaerium stuhlmanni Martens, 1897 - data deficient (DD)^[2]

[edit] Reference

1. ^ Nicayeniz, F., Lange, C.N. & Ngereza, C. 2004. Sphaerium bequaerti. In: IUCN 2006. 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 23 March 2007. http://www.iucnredlist.org/search/details.php/44255/summ
2. ^ Lange, C.N. & Ngereza, C. 2004. Sphaerium stuhlmanni. In: IUCN 2006. 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 23 March 2007. http://www.iucnredlist.org/search/details.php/44256/summ

[edit] External links

• http://www.biolib.cz/en/taxon/id3011
• http://webs.lander.edu/rsfox/invertebrates/sphaerium.html