Margaritifera marrianae

Margaritifera marrianae, the Alabama pearlshell, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Margaritiferidae, the freshwater pearl mussels.

Alabama pearlshell
Conservation status
Endangered  (IUCN 3.1)[1]
Endangered (ESA)[2][3]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Margaritiferidae
Genus:	Margaritifera
Species:	M. marrianae
Binomial name
Margaritifera marrianae R.I. Johnson, 1983

This species is endemic to the United States. Its range is limited to the Alabama River and Conecuh/Escambia River drainages.^[4] It is threatened by habitat loss^[1] and declining water quality.^[1][3]

References

1. Cummings, K.; Cordeiro, J. (2012). "Margaritifera marrianae". IUCN Red List of Threatened Species. 2012: e.T12800A509635. doi:10.2305/IUCN.UK.2012.RLTS.T12800A509635.en. Retrieved 15 November 2021.
2. "Alabama pearlshell (Margaritifera marrianae)". Environmental Conservation Online System. U.S. Fish & Wildlife Service. Retrieved 31 March 2023.
3. 76 FR 61482
4. "Alabama Pearlshell". U.S. Fish & Wildlife Service. Retrieved 31 March 2023.