Punctum blandianum Pilsbry, 1900 Brown Spot

Scanning Electron Micrographs (SEM)

    Drift, Paint Rock River system, Estill Fork, 1 mi N. Estillfork, Jackson County, Alabama (1.13 mm.). Bob Winters! 3 January, 2016. Specimen culled by H. G. Lee, and SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. Also see: Punctum blandianum Pilsbry, 1900 Brown Spot