Sphaerium beckmani is an extinct species of fossil freshwater pea clams from the Late Cretaceous deposits of North America. This species was first described by the American paleontologist Loris Shano Russell in 1976.[1][2] The specimens were collected by the American paleontologist Karl M. Waage from 1961 to 1962 from the Hell Creek Formation of eastern Montana. The locality is dated to the late Maastrichtian Age (around 66.0 to 72.1 million years ago).[3]
| Sphaerium beckmani Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Sphaeriida |
| Family: | Sphaeriidae |
| Genus: | Sphaerium |
| Species: | †S. beckmani
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| Binomial name | |
| †Sphaerium beckmani Russell 1976
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References
edit- ^ Arctos Database. "Sphaerium beckmani". Arctos Collection Management Information System. Retrieved September 25, 2013.
- ^ Loris S. Russell (1976). "Pelecypods of the Hell Creek Formation (Uppermost Cretaceous) of Garfield County, Montana". Canadian Journal of Earth Sciences. 13 (2): 365–388. Bibcode:1976CaJES..13..365R. doi:10.1139/e76-039.
- ^ Phillip Bigelow. "Cretaceous "Hell Creek Faunal Facies"; Late Maastrichtian". Hell Creek Life. Retrieved September 25, 2013.
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