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Recovery Pearly Mussel

Elliptio nigella

Classification

Family
Unionidae

Elliptio nigella, the winged spike or recovery pearly mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the freshwater mussels. This species is endemic to the United States. It was thought to be extinct, but was rediscovered in 2010.

Distribution

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Countries in the Picchu catalog