Ortmanniana pectorosa

Ortmanniana pectorosa, previously Actinonaias pectorosa,^[2] is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. Its common name is the pheasantshell.

Ortmanniana pectorosa
Conservation status
Near Threatened  (IUCN 2.3)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Ortmanniana
Species:	O. pectorosa
Binomial name
Ortmanniana pectorosa (Conrad, 1834)

This species is endemic to the drainages of the Cumberland River and the Tennessee River in the United States.