With The early 20th century, the taxonomy of extinct elephants was elaborate. In 1942, American palaeontologist Henry Fairfield Osborn's posthumous monograph about the Proboscidea was published, wherein he applied many taxon names that experienced Beforehand been proposed for mammoth species, which includes changing Mammuthus with Mammonteus, as he thought the https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA