Helicodiscus aldrichianus (G. H. Clapp, 1907) Burrowing Coil

Scanning Electron Micrographs

    Youngs Creek bed, Sherwood County, Tennessee 12/15/2016 (1.70 mm.). Also see: Helicodiscus aldrichianus (G. H. Clapp, 1907) Burrowing Coil