Pleurobema Rubrum
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Pleurobema Rubrum

Pleurobema rubrum
Naturalis Biodiversity Center - ZMA.MOLL.418472 - Pleurobema rubrum (Rafinesque, 1820) - Unionidae - Mollusc shell.jpeg
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Pleurobema
P. rubrum
Binomial name
Pleurobema rubrum

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]


  1. ^ Bogan, A.E. 1996. Pleurobema rubrum. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.
  2. ^ "Pyramid Pigtoe". Illinois Natural History Survey. Prairie research institute. Retrieved 2015. Check date values in: |accessdate= (help)

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