Discus rotundatus (Müller, 1774) Rotund Disc

Scanning Electron Micrograph (SEM)

    In residential garden, Eugene, Lane County, Oregon, May, 2015 (4-6 mm). SEM of 4.34 mm. specimen (UF 502467) produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. Also see: Sinistral Discus rotundatus (Müller, 1774) Rotund Disc