Biology:Sphaeriidae
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Short description: Family of bivalves
| Sphaeriidae | |
|---|---|
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| Four shells of Sphaerium corneum. Scale bar is in mm. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Sphaeriida |
| Superfamily: | Sphaerioidea |
| Family: | Sphaeriidae Deshayes, 1855 (1820) |
| Genera | |
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See text | |
| Synonyms | |
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Cycladidae, Rafinesque 1820[1][2] | |
Sphaeriidae is a family of small to minute freshwater bivalve molluscs in the order Sphaeriida. In the US, they are commonly known as pea clams or fingernail clams.[3][4]
Genera
Genera:[5]
- Euperinae
- Byssanodonta d'Orbigny, 1846
- Eupera Bourguignat, 1854
- Sphaeriinae
- Afropisidium Kuiper, 1962
- Euglesa Jenyns, 1832
- Musculium Link, 1807
- Odhneripisidium Kuiper, 1962
- Pisidium C. Pfeiffer, 1821
- Sphaerium Scopoli, 1777
- fossils
- †Megasphaerioides Komatsu, J.-H. Chen & Q.-F. Wang, 2003
- †Protosphaerium Hocknull, 2000
- †Sphaericoncha Kolesnikov, 1980
Biology and ecology
Sphaeriidae are hermaphrodites with internal fertilization. Developing young are incubated within their mother (ovoviviparity), and newborn clams look like miniature copies of the adults.[4]
Parasites and/or predators include the Sciomyzidae.[6]
References
- ↑ Bowden, John; Heppell, David (1968). "Revised list of British Mollusca. 2. Unionacea-Cardiacea". Journal of Conchology 26 (4): 237–272, note 55, pages 253–254. http://www.vliz.be/imisdocs/publications/263507.pdf.
- ↑ Baker, Horace Burrington (1964). "Notes on Sphaeriid Names". The Nautilus 78 (2): 45–47.
- ↑ Heard, William H. 1965. Comparative life histories of North American pill clams (Sphaeriidae: Pisidium). Malacologia, 2: 381-411.
- ↑ 4.0 4.1 Heard, William H. 1977. Reproduction of fingernail clams (Sphaeriidae: Sphaerium and Musculium). Malacologia, 16: 421-455.
- ↑ "WoRMS - World Register of Marine Species - Sphaeriidae Deshayes, 1855 (1820)". https://www.marinespecies.org/aphia.php?p=taxdetails&id=489101.
- ↑ Biology of Snail-Killing Sciomyzidae Flies at Google Books
Wikidata ☰ {{{from}}} entry
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