Pleurobema hagleri

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

Pleurobema hagleri
Conservation status
Extinct  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Pleurobema
Species:	†P. hagleri
Binomial name
†Pleurobema hagleri (Frierson, 1900)

This species was^[when?] endemic to the United States. Its natural habitat was rivers.