Class Mammalia Linnaeus, 1758 - mammals
   Order Proboscidea Owen, 1859 - elephants
     Family Elephantidae Gray, 1821 - elephants
       Subfamily Elephantinae Gray, 1821
         Genus ‡Mammuthus Brookes, 1828 - mammoths
           ‡Mammuthus primigeniusᵀ (Blumenbach, 1799) - woolly mammoth