Pyramid pigtoe

Pyramid pigtoe
Conservation status

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

The pyramid pigtoe, scientific name Pleurobema rubrum, 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. It's habitat is in medium to large rivers in sand or gravel. They're generally 4 inches long with a chestnut, thick shell.[1]

References

  1. "Pyramid Pigtoe". Illinois Natural History Survey. Prairie research institute. Retrieved 2015.