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Io fluvalis (Say, 1825) Spiny Riversnail |
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Clinch River, Kyles Ford, Hancock County, Tennessee 8/22/1975 (44.7 mm.) |
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Io fluvalis (Say, 1825) Spiny Riversnail |
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Clinch River, Kyles Ford, Hancock County, Tennessee 8/22/1975 (44.7 mm.) |
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