Pleurobema avellanum

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

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

This species was endemic to the United States. It is now extinct.