Paeniscutalus species. A–E P. crenellus (Philippi, 1867) A–C holotype of Megalobulimus (Microborus) incarum Pilsbry, 1944, ANSP 180677 (H = 35) D–E holotype of Strophocheilus (Microborus) tenuis Haas, 1955, FMNH 51925 (H = 30.1).