Epioblasma stewardsonii
| Epioblasma stewardsonii | |
|---|---|
_-_Unionidae_-_Mollusc_shell.jpeg)
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Unionida |
| Family: | Unionidae |
| Genus: | Epioblasma |
| Species: | †E. stewardsonii
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| Binomial name | |
| †Epioblasma stewardsonii (I. Lea, 1852)
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| Synonyms | |
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Dysnomia stewardsoni I. Lea, 1852 | |
Epioblasma stewardsonii, the Cumberland leafshell or Steward's pearly mussel, is an extinct species of freshwater mussel in the family Unionidae.
This species was endemic to the drainages of the Cumberland River and the Tennessee River in the United States. Its natural habitat was riffle areas in large- to medium-size rivers. Like most other members of this sensitive genus, it became extinct due habitat destruction and pollution. The last documented occurrence of this species was in 1909.[2]
It appears to be most closely related to Epioblasma flexuosa, which is also now extinct.[3]
References
[edit]- ^ Bogan, A.E.; et al. (Mollusc Specialist Group) (2000). "Epioblasma stewardsonii". IUCN Red List of Threatened Species. 2000: e.T7895A12862927. doi:10.2305/IUCN.UK.2000.RLTS.T7895A12862927.en. Retrieved 15 November 2021.
- ^ NatureServe (7 April 2023). "Epioblasma stewardsonii". NatureServe Netowrk Biodiversity Location Data accessed through NatureServe Explorer. Arlington, Virginia: NatureServve. Retrieved 22 April 2023.
- ^ Johnson, R.I. (1978). "Systematics and zoogeography of Plagiola (= Dysnomia = Epioblasma), an almost extinct genus of freshwater mussels (Bivalvia: Unionidae) from Middle North America". Bulletin of the Museum of Comparative Zoology. 148: 239–321.
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