Pleurobema rubrum

Pleurobema rubrum
Conservation status
Near Threatened  (IUCN 2.3) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Pleurobema
Species:	P. rubrum
Binomial name
Pleurobema rubrum Rafinesque, 1820

Pleurobema rubrum, the pyramid pigtoe, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.

This species is endemic to the United States. Its habitat is in medium to large rivers in sand or gravel. Specimens are generally 4 inches (10 cm) long with a chestnut, thick shell. ^[2]

References

1. Bogan, A.E. (1996). "Pleurobema rubrum". IUCN Red List of Threatened Species . 1996 e.T17670A7286106. doi: 10.2305/IUCN.UK.1996.RLTS.T17670A7286106.en . Retrieved 16 November 2021.
2. "Pyramid Pigtoe". Illinois Natural History Survey. Prairie research institute. Retrieved March 29, 2015.