After McKenna & Bell, 1997, and Liu, 2001, 2003

<==o Suoidea Gray, 1821 [taxonomic history] (pigs and peccarines; siansukuiset sikaeläimet)
   |?-o †Mixtotherium Filhol, 1880 [Mixtotheriidae Pearson, 1927]
   |  |-- †M. cuspidatum Filhol, 1880
   |  |-- †M. gresslyi Rütimeyer, 1891 [incl.? M. priscum Stehlin, 1908 (Erfurt & Métais, 2007)]
   |  |-- †M. depressum (Filhol, 1884)
   |  |-- †M. quercyi (Filhol, 1884)
   |  |-- †M. leenhardti Stehlin, 1908
   |  |-- †M. infans Stehlin 1910
   |  |-- †M. lavergnensis (Sudre, 1977) [incl. Robiacina lavergnensis Sudre, 1977; Robiacina weidmanni Sudre, 1978]
   |  `-- †M. cf./all. gresslyi [Hooker, 1986]
   |?-o †Cepochoeridae Lydekker, 1883 [are members of Ceteancodonta]
   |  |--o †Cebochoerus Gervais, 1852 [Acotherulum; Leptacotherulum]
   |  |  |-- †C. anceps Gervais, 1852
   |  |  |-- †C. lacustris Gervais, 1856
   |  |  |-- †C. helveticus (Pictet & Humbert, 1869 [incl. C. minor Gervais, 1876; C. sp.]
   |  |  |-- †C. ruetimeyeri Stehlin, 1908
   |  |  |-- †C. robiacensis Depéret, 1917
   |  |  |-- †C. fontensis Sudre, 1978
   |  |  |-- †C. cf. C. minor [Sudre, 1978]
   |  |  |-- †C. cf. C. ruetimeyeri [Sudre, 1978]
   |  |  `-- †C. aff. C. fontensis [Hooker & Weidmann, 2000]
   |  |--o †Acotherulum Gervais, 1852 [Acotherolum (lapsus calami)]
   |  |  |-- †A. saturninum Gervais, 1850 [incl. Leptacotherulum cadurcence Filhol, 1877]
   |  |  |-- †A. campichii (Pictet, 1857) [incl. Metadichobune Filhol, 1877]
   |  |  |-- †A. pumilum (Stehlin, 1908)
   |  |  |-- †A. quercyi (Stehlin, 1908)
   |  |  |-- †A. cf. A. quercyi (Sudre, 1978)
   |  |  `-- †A. sp. [Cuesta et al., 2006]
   |  |-- †Moiachoerus simpsoni Golpe-Posse, 1972
   |  `--o †“Gervachoerus” Sudre, 1978
   |     |-- †“G.” [Cebochoerus] minor (Gervais, 1876
   |     |-- †“G.dawsoni Sudre, 1978
   |     |-- †“G.jaegeri Sudre, 1978
   |     |-- †“G.suillus (Gervais, 1859
   |     |-- †“G.” cf. suillus [Sudre, 1978]
   |     `-- †“G.” cf. jaegeri [Sudre, 1997]
   |?- Hippopotamidae (hippopotami; virtahevot) [are members of Ceteancodonta]
   |--o †Sanitheriidae Simpson, 1931 [Suidae: Sanitheriinae]
   |  |--o †Diamantohyus Stromer, 1926 [Xenochoerus Zdarsky, 1909; Sanitherium H. vom Meyer, 1866]
   |  |  |-- †D. africanus Stromer, 1926
   |  |  |-- †D. jeffreysi (Forster-Cooper, 1913)
   |  |  `-- †D. nadirus (Wilkinson, 1976) [Sanitherium nadirum Wilkinson, 1976]
   |  `--o †Sanitherium H. vom Meyer, 1866 [Xenochoerus Zdarsky, 1909]
   |     |-- †S. schlagintweiti Meyer, 1866
   |     |-- †S. cingulatum Pilgrim, 1926
   |     `-- †S. leobensis (Zdarsky, 1909) [Xenochoerus leobensis Zdarsky, 1909]
   |-- †Helohyidae
   `--o †“Palaeochoeridae” Matthew, 1924 sensu Liu, 2003 [Suidae: †Palaeochoerinae Matthew, 1924 sensu McKenna & Bell, 1997] [paraphyletic]
      |?- †Aureliachoerus aurelianensis Ginsburg, 1974 [=? A. aureliachoerus (lapsus calami)]
      |?- †Chicochoerus minus (Golpe Posse, 1972) [Palaeochoerus minus Golpe Posse, 1972; Aureliachoerus minus (Golpe Posse, 1972)]
      |?- †Propalaeochoerus leptodon Stehlin, 1899
      |-- †Huaxiachoerus guangxiensis Liu, 2001
      |-- †Egatochoerus jaegeri Durocq, 1994
      `--+--o †Siamochoerus Ducrocq et al., 1998
         |  |-- †S. banmarkensis Ducrocq, 1998
         |  `-- †S. viriosus Liu, 2001
         `--+-- †Odoichoerus unicornis Tong & Zhao, 1986
            `--+-- Tayassuidae Palmer, 1897 [Dicotylina Turner, 1849; Dicotylidae Gray, 1868] [incl. Cynorcidae Cope, 1867] (peccaries; pekarit
               `--o Suidae Gray, 1821 sensu Liu, 2003
                  |-- †Eocenchoerus savagei Liu, 2001
                  `--+--o Schizochoerinae
                     |  |--o †Taucanamo Simpson, 1945 [= Choerotherium Lartet, 1851] [incl. Albanohyus Ginsburg, 1974 sensu Mckenna & Bell, 1997]
                     |  |  |?- †T. pygmaeum (Depéret, 1892) [= T. grandaevum; Albanohyus pygmaeus (Depéret, 1892)]
                     |  |  |?- †T. castellensis (Golbe-Posse, 1977) [Albanohyus castellensis Golbe-Posse, 1977]
                     |  |  |-- †T. grandaevum (Fraas, 1870)
                     |  |  |-- †T. sansaniensis (Lartet, 1851) [“Choerotherium” sansaniensis]
                     |  |  |-- †T. inonuensis Pickford & Etürk, 1979
                     |  |  `-- †T. primum van der Made, 1997
                     |  `--+--o †Yunnanochoerus van der Made & Han, 1994
                     |     |  |-- †Y. lufengensis (Han, 1983)
                     |     |  `-- †Y. gandakasensis (Pickford, 1977)
                     |     `--o Schizochoerini Golpe, 1972
                     |        |-- †Morotochoerus ugandensis Pickford, 1998 [Nguruwe kijivium Van der Made, in partim; Lopholistriodon moruoroti Van der Made, in partim; Albanohyus sp. Van der Made, in partim]
                     |        `--o †Schizochoerus Crusafont & Lavocat, 1954
                     |           |-- †S. vallesiensis Crusafont & Lavocat, 1954
                     |           |-- †S. anatoliensis van der Made, 1997
                     |           |-- †S. sinapensis van der Made, 1997
                     |           `?- †S. gandakasensis (Pickford, 1977) [Yunnanochoerus gandakasensis (Pickford, 1977) Harris & liu, 2007]
                     `--+--o †Palaeochoerus Pomel, 1846 [co-generic with Hyotherium Meyer, H. v., 1834??]
                        |  |-- †P. gergovianus (de Blainville, 1846)
                        |  |-- †P. leptodon (Pomel, 1848)
                        |  |-- †P. waterhousi (Pomel, 1853)
                        |  |-- †P. paronae (Dal Piaz, 1930)
                        |  |-- †P. venitor (Ginsburg, 1980)
                        |  |?- †P. pascoei (Chang, 1974)
                        |  |?- †P. pusillus
                        |  |-- †P. typus Pomel, 1847 [P. typum]
                        |  `?- †P. perimense
                        `-- Suidae Gray, 1821 sensu McKenna & Bell, 1997 (true pigs; siat)

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