Keywords: Mammuthus primigenius lectotypes.jpg Lectotype molars of Mammuthus primigenius drawn after casts in the American Museum https //archive org/stream/proboscideamonog02osbo page/1122/mode/2up 1942 Henry Fairfield Osborn died before publication PD-US-not renewed PD-old Mammuthus primigenius teeth Henry Fairfield Osborn |