After Butler, 1978, Coombs, 1989, Lucas & Schoch, 1989, Prothero & Schoch, 1989, McKenna & Bell, 1997 Coombs, Hunt, Stepleton, Albright & Fremd, 2001, and Hooker & Dashzeveg, 2004]

<==o †Chalicotheriidae Gill, 1872 sensu Hooker & Dashzeveg, 2004 [incl. Eomeropidae Gill, 1872 (non Matthew, 1929?)] [Chalicotheroidea Gill, 1872 sensu Lucas & Schoch, 1989, Prothero & Schoch, 1989, McKenna & Bell, 1997 Coombs, Hunt, Stepleton, Albright & Fremd, 2001]
   |?- †Olsenia Matthew & Granger, 1925 [paraphyletic Eomeropidae Gill, 1872 (non Matthew, 1929?)]
   |--o †Litolophus Matthew & Granger, 1925 [non Radinsky, 1964?] E.-M.? Eoc. Ind. CAs. [paraphyletic Eomeropidae Gill, 1872 (non Matthew, 1929?)]
   |  |-- †L. gobiensis Matthew & Granger, 1925
   |  `-- †L. ghazijensis Missiaen & Gingerich, 2012
   `--+?- †Danjiangia pingi Wang, 1995 [has been treated as brontothere (Brontotheroidea)]
      |?-o †Eomoropus Osborn, 1913 [paraphyletic Eomeropidae Gill, 1872 (non Matthew, 1929?)]
      |  |-- †E. amarorum (Cope, 1881) Osborn, 1913 [“Triplopus” amarorum Cope, 1881; E. annectens Peterson, 1919]
      |  |-- †E. quadridentatus Zdansky, 1930 [E. minimus Zdansky, 1930]
      |  `-- †E. pawnyunti Remy, Jaeger, Chaimanee, Soe, Marivaux, Sudre, Tun, Marandat & Dewaele, 2005
      |?-o †Grangeria Zdansky, 1930 [?Lunania Chow, 1957] [paraphyletic Eomeropidae Gill, 1872 (non Matthew, 1929?)]
      |  |-- †G. canina Zdansky, 1930 [Eomoropus major Zdansky, 1930]
      |  `-- †G. anarsius (Gazin, 1959) [Eomoropus anarsius Gazin, 1959]
      `--o †Chalicotheriidae Gill, 1872 sensu stricto?
         |--o †Chalicotheriinae Gill, 1872
         |  |?- †“Macrotherium” macedonicum Bonis et al., 1995
         |  |-- †Kalimantsia bulgarica Geraads, Spassov & Kovachev, 2001
         |  `--o †Chalicotherium Kaup, 1833 [Macrotherium Lartet, in Blainville, 1837]
         |     |?- †C. giganteum Pictet, 1844
         |     |-- †C. rusingense Butler, 1962
         |     `--+-- †C. pilgrimi
         |        |?- †C. wetzleri
         |        `--+--+-- †C. salinum
         |           |  `--o †Anisodon Lartet, 1851 [Chalicotherium]
         |           |     `-- †A. grande (Blainville, 1849) [Chalicotherium (Macrotherium) grande]
         |           `--+-- †C. brevirostris Colbert, 1934
         |              `--+-- †C. wuduensis
         |                 |-- †C. goldfussi Kaup, 1833
         |                 `--o †Nestoritherium Kaup, 1859
         |                    |-- †N. sinense
         |                    `-- †N. sivalense
         `--o †Schizotheriinae Holland & Peterson, 1913
            |--o †Schizotherium Gill, 1872
            |  |-- †S. priscum [“Chalicotherium” modicum; Limognitherium ingens; “Ankylotherium” gaudryi]
            |  |-- †S. turgaicum [Kyzylkakhippus orlovi]
            |  |-- †S. chucuae
            |  |-- †S. avitum
            |  |-- †S. nabanensis
            |  `-- †S. ordosium Hu, 1959
            `--+-- †Borissiakia betpakdalensis (Flerov, 1938) Butler, 1965 [Meropus betpakdalensis Flerov, 1938; Phylotillon  betpakdalensis (Flerov, 1938) Borissiak, 1946]
               `--+--o †Phylotillon Pilgrim, 1910
                  |  |-- †P. naricus
                  |  `-- †P. bavaricum (von Koenigswald, 1932)
                  `--+-- †Tylocephalonyx skinneri Coomps, 1979
                     |--o †Moropus Marsh, 1877 [Lophiodon]
                     |  |-- †M. oregonensis (Leidy, 1873) [Moropus distans Marsh, 1877; Lophiodon? oregonensis Leidy, 1873]
                     |  |-- †M. elatus
                     |  |-- †M. hollandi
                     |  |-- †M. matthewi
                     |  `-- †M. merriami
                     `--o †Ancylotherium Gaudry, 1863 [Metaschizotherium; Postschizotherium]
                        |?- †“Huanghotherium” anlungense Tung, Huang & Qiu, 1975
                        |?- †“Gansuodon” pingliangense Wu & Chen, 1976
                        |?- †“Chemositia” tugenensis Pickford, 1979
                        |?- †A. cheboitense Guérin & Pickford, 2005
                        |-- †(Metaschizotherium) fraasi von Koenigswald, 1932
                        `--o †(Ancylotherium) Gaudry, 1863
                           |-- †A. hennigi (Dietrich, 1942)
                           `-- †A. pentelicum (Gaudry & Lartet, 1856)

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