Pleurobema johannis

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

Pleurobema johannis
Conservation status
Extinct  (IUCN 2.3)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Pleurobema
Species:	†P. johannis
Binomial name
†Pleurobema johannis (I. Lea, 1859)

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