Alabama orb

Alabama orb Quadrula asperata
Conservation status
Near Threatened  (IUCN 2.3)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionoida
Family:	Unionidae
Genus:	Quadrula
Species:	Q. asperata
Binomial name
Quadrula asperata I. Lea, 1861

The Alabama orb, scientific name Quadrula asperata, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.

This species is endemic to the United States.

See also

• List of non-marine molluscs of the United States
• Quadrula

References

• Turgeon, D. D., A. E. Bogan, E. V. Coan, W. K. Emerson, W. G. Lyons, W. Pratt, et al. 1988. . Downloaded on 9 March 2008.
• Bogan, A.E. 1996. Quadrula asperata. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.