After Evander, 1989 and Salesa, Sánchez & Morales, 2004

<==o †Anchitheriinae Leidy, 1869
   |?-o †Sinohippus Zhai, 1962
   |  |-- †S. zitteli (Schlosser, 1903) [Anchitherium zitteli Schlosser, 1903, Hypohippus zitteli (Schlosser) Osborn, 1918; Anchitherium zitteli Schlosser; Abusch-Siewert, 1983; S. zittelli (Schlosser) Salesa, Sánchez & Morales, 2004 (lapsus calami); S. zitelli (Schlosser) Salesa, Sánchez & Morales, 2004 (lapsus calami)]
   |  `-- †S. sampelayoi (Villalta & Crusafont, 1945) Salesa, Sánchez & Morales, 2004 [Anchitherium sampelayoi Villalta & Crusafont, 1945; Anchitherium ezquerrae sampelayoi Villalta & Crusafont; Abusch-Siewert, 1983]
   |?- †Kolobatippus
   |--o †Megahippus McGrew, 1938
   |  |-- †M. mckennai
   |  `-- †M. matthewi
   `--+--o †Hypohippus Leidy, 1858
      |  |-- †H. affinis Leidy, 1858
      |  |-- †H. equinus (Scott, 1893)
      |  |-- †H. osborni Gidley, 1907
      |  |-- †H. nevadensis Merriam, 1913
      |  `-- †H. giganteus
      `--o †Anchitherium L. Mioc. U. Mioc. Eu.
         |-- †A. clarencei
         |--+-- †A. aurelianense Meyer, 1844
         |  |-- †A. parequinum
         |  `--+-- †A. corcolense
         |     `-- †A. castellanum
         `--+-- †A. hippoides
            `--+-- †A. matritense
               `--+-- †A. alberdiae
                  `--+-- †A. cursor
                     `-- †A. procerum

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