Because of the early twentieth century, the taxonomy of extinct elephants was complex. In 1942, American palaeontologist Henry Fairfield Osborn's posthumous monograph within the Proboscidea was posted, wherein he used various taxon names that experienced Earlier been proposed for mammoth species, such as replacing Mammuthus with Mammonteus, as he considered https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA