81
White heelsplitter, Lasmigona complanata
Johnson Lake, Gosper County, 147mm
Mud Creek, Custer County, 60mm
Mission Creek, Gage County, 160mm,
dorsal view
Missouri River, Dixon
County, 27mm
Pony Creek,
Richardson County,
103mm, beak sculpture
Johnson Lake, Gosper County, 147mm,
anterior end view
Johnson Lake, Gosper County, 147mm, lateral teeth
Cross section of White heelsplitter, 146mm, anterior end is to the right
