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Columella simplex (Gould, 1841) Toothless Column |
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1.8 mm. |
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Collected from wrack (small sticks and debris) along Sunfish Creek, Bardstown, Nelson Co., Kentucky 7/27/2013. Digital image by Lori Schroeder. |
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2 mm. |
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| In wrack along side of Harrison Creek, Harrison Fork Road, Nelson County, Kentucky 2/22/2014. Digital images by Jeff and Lori Schroeder. | |
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