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 Suidae Gray, 1821 - pigs
         1 Genus Babyrousa Perry, 1811 - babirusa
         2 Genus Hylochoerus Thomas, 1904 [monotypic] - giant forest hog
         3 Genus Phacochoerus Cuvier, 1826 - wart hog
         4 Genus Potamochoerus Gray, 1854 - African bush pig
         5 Genus Sus Linnaeus, 1758 - Eurasian pigs