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The fanshell (Cyprogenia stegaria) is a species of aquatic bivalve mollusk in the family Unionidae. This clam is native to the United States, where breeding populations remain in only three rivers. It is a federally listed endangered species of the United States.
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Cyprogenia stegaria es una especie de molusco bivalvo de la familia Unionidae. Distribución geográfica Es endémica de los Estados Unidos. Referencias Bogan, A.
Distribution
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Countries in the Picchu catalog
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