Pleurobema curtum

Pleurobema curtum NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

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Pleurobema curtum, the black clubshell or Curtus’s mussel, a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.The shell of the black clubshell (Pleurobema curtum) is about 2 in (5.1 cm) long and varies in color from light green in young mussels to a dark greenish-brown in older ones. The shell is subtriangular and inflated in front. The thin inner shell surface is an iridescent bluish Pleurobema curtum, the black clubshell or Curtus’s mussel, a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is endemic to the United States

This species is endemic to the United States.