Class [Mammalia] Linnaeus, 1758 - mammals Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997 Family Tragulidae Milne-Edwards, 1864 - chevrotains 1 Genus Hyemoschus Gray, 1845 - water chevrotain 2 Genus Tragulus Brisson, 1762 - Asiatic chevrotains