From editor or global species database
Type locality Type locality not provided in original publication, but specified by Pilsbry (1935, p. 545, 556): "Loc. 12479. East side of North Dome, Kettleman Hills; 2100 feet west and 400 feet south from NE. cor. sec. 35, T. 21 S., R. 17 E.; beds 4c and 4e of section" (California, United States) [details]