下級分類
本屬包括以下物種:
- 亞屬 Sphaerium Scopoli, 1777
- Sphaerium corneum (Linnaeus, 1758) – European fingernail clam
- 亞屬 Nucleocyclas Alimov & Starobogatov, 1968
- Sphaerium nucleus (Studer, 1820)
- Sphaerium ovale (A. Férussac, 1807)
- 亞屬 Parasphaerium Alimov & Starobogatov, 1968
- Sphaerium nitidum Clessin, 1876 – Arctic fingernail clam
- 亞屬 Amesoda Rafinesque, 1820
- Sphaerium rivicola (Lamarck, 1818)
- 亞屬 Cyrenastrum Bourguignat, 1854
- Sphaerium solidum (Normand, 1844)
- 沒有亞屬
- Extinct
- †Sphaerium beckmani Russell, 1976[4]
- †Sphaerium florissantense Cockerell, 1906
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參考文獻
外部連結
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