Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
       Family Tragulidae Milne-Edwards, 1864 - chevrotains
         Genus Tragulus Brisson, 1762 - Asiatic chevrotains
           1 Tragulus javanicus (Osbeck, 1765) - mouse deer
           2 Tragulus kanchil (Raffles, 1821)
           3 Tragulus napu (F. Cuvier, in É. Geoffroy Saint-Hilaire & F. Cuvier, 1822) - greater Malay chevrotain
           4 Tragulus nigricans Thomas, 1892
           5 Tragulus versicolor Thomas, 1910
           6 Tragulus williamsoni Kloss, 1916