Pleurobema bournianum

Pleurobema bournianum, the Scioto pigtoe, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.

Pleurobema bournianum
Conservation status
Extinct  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Pleurobema
Species:	†P. bournianum
Binomial name
†Pleurobema bournianum (I. Lea, 1840)

This species was endemic to the United States. Its natural habitat was rivers.