The Arkansas fatmucket, scientific name Lampsilis powellii, 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.
The Arkansas fatmucket, scientific name Lampsilis powellii, 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.