Sphaerium
From Infogalactic: the planetary knowledge core
| Sphaerium | |
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| Sphaerium corneum | |
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| Live Sphaerium sp. moving around with its foot. Collected from a pond in Portland, Oregon | |
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Sphaerium
Scopoli, 1777
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| Species | |
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See text. |
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Sphaerium is a genus of very small freshwater clams, aquatic bivalve mollusks in the family Sphaeriidae, known as the fingernail clams. The small clams in this genus are unusual in that many of them, such as Sphaerium corneum, can climb around underwater on aquatic plants, using their long and strong foot.
Species
- Subgenus Sphaerium Scopoli, 1777
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- Sphaerium corneum (Linnaeus, 1758) - European fingernail clam
- Subgenus Nucleocyclas Alimov & Starobogatov, 1968
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- Sphaerium nucleus (Studer, 1820)
- Sphaerium ovale (A. Férussac, 1807)
- Subgenus Parasphaerium Alimov & Starobogatov, 1968
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- Sphaerium nitidum Clessin, 1876 - Arctic fingernail clam
- Subgenus Amesoda Rafinesque, 1820
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- Sphaerium rivicola (Lamarck, 1818)
- Subgenus Cyrenastrum Bourguignat, 1854
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- Sphaerium solidum (Normand, 1844)
- Without subgenus
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- Sphaerium asiaticum (Martens, 1864)
- Sphaerium bequaerti (Dautzenberg & Germain, 1914) - data deficient (DD)[1]
- Sphaerium cornuta
- Sphaerium novaezelandiae Deshayes, 1854
- Sphaerium stuhlmanni Martens, 1897 - data deficient (DD)[2]
- Extinct
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- <templatestyles src="Noitalic/styles.css"/>†Sphaerium beckmani Russell, 1976 [3]
References
- ↑ 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
- ↑ 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
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
<templatestyles src="Asbox/styles.css"></templatestyles>
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