From The early twentieth century, the taxonomy of extinct elephants was complex. In 1942, American palaeontologist Henry Fairfield Osborn's posthumous monograph over the Proboscidea was posted, wherein he used a variety of taxon names that had previously been proposed for mammoth species, which includes changing Mammuthus with Mammonteus, as he https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA