Triodopsis complanata (Pilsbry, 1898) Glossy Threetooth

    Bluff four miles east of Gainesboro, Jackson County, Tennessee, 5/21/2019 (22 mm.). The specimen is pictured with the much smaller Triodopsis hopetonensis (Shuttleworth, 1852) Magnolia Threetooth from Jacksonville, Duval County, Florida.