Class Mammalia Linnaeus, 1758 - mammals
   Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
     Family Suidae Gray, 1821 - pigs
       1 Subfamily Babyrousinae (Gray, 1868) Thenius, 1970 see Tribe Babyrousini Gray, 1868
       2 Subfamily Phacochoerinae (Gray, 1868) van Hoepen & van Hoepen, 1932 see Tribe Phacochoerini Gray, 1868
       3 Subfamily Suinae Gray, 1821