After Savage, 1978, Harrison, 1983, †Kurtén & Werdelin, 1990, McKenna & Bell, 1997, Antón & Galobert, 1999, Werdelin & Lewis, 2000, and Werdelin & Lewis, 2001

<==o †Machairodontinae Gill, 1872 (saber-toothed cats; “sapelihammaskissat”)
   |?-o †Epimachairodus Kretzoi, 1929
   |  |-- †E. romeri
   |  `-- †E. crenatides
   |?-o †Miomachairodus Schmidt-Kittler, 1976
   |  `-- †M. pseudailuros
   |?- †Propontosmilus maximiliani Kretzoi, 1929
   |?- †Sivasmilus Kretzoi, 1929
   `--+--o †“Dinofelini”
      |  |-- †Fortunictis acerensis Pons Moya, 1987
      |  |-- †Stenailurus teilhardi Crusafont Pairó & Aguirre, 1972 [= Adelphailurus Hibbard; McKenna & Bell]
      |  |-- †Adelphailurus kansensis Hibbard, 1934
      |  `--+--o †Metailurus Zdansky, 1924 sensu Antón & Galobert, 1999; U.Mioc.-L.Plioc. As., U.Mioc. Eu. [has also been treated as nimravid]
      |     |  |-- †M. mongoliensis
      |     |  |-- †M. pamiri
      |     |  |-- †M. boodon
      |     |  |-- †M. parvulus
      |     |  |-- †M. minor
      |     |  `-- †M. major Zdansky, 1924
      |     `--o †Dinofelis Zdansky, 1924 [Therailurus Piveteau, 1948] U.Mioc. As., U.Plioc. As., U.Mioc.-L.Pleist. Eu., L.Plioc.-L.Pleist. Af., U.Plioc. NA.
      |        |-- †D. abeli Zdansky, 1924
      |        |-- †D. sp.1 [Lothagam, Kenya] [Werdelin & Lewis, 2001]
      |        `--+?- †D. sp.2 [Venta del Moro, Spain] [Werdelin & Lewis, 2001]
      |           |?- †D. sp.3 [Gladysvale, South Africa] [Werdelin & Lewis, 2001] [D. barlovi or D. piveateaui??]
      |           |?- †D. sp.4 [Balaruc II, France] [Werdelin & Lewis, 2001]
      |           |?- †D. sp.5 [Olduvai, Kenya] [Werdelin & Lewis, 2001] [D. aronoki??]
      |           |?- †D. sp.6 [Zemo Melaani, Georgia] [Werdelin & Lewis, 2001]
      |           |?- †D. sp.7 [Novaya Etulia, Moldova] [Werdelin & Lewis, 2001]
      |           |?- †D. sp.8 cf. D. diastemata [Langebaanweg, South Africa] [Werdelin & Lewis, 2001]
      |           |-- †D. diastemata (Astre, 1929)
      |           |-- †D. cristata (Falconer & Cautley, 1836)
      |           |-- †D. petteri Werdelin & Lewis, 2001
      |           |-- †D. barlowi (Broom, 1937) [Meganthereon barlowi Broom, 1937, 1939; Machaerodus transvaalensis (Pars) Broom, 1939; Therailurus barlowi (Broom) Ewer, 1955; Machaerodus darti Toerien, 1955; Dinofelis barlowi (Broom) Hemmer, 1965, Cooke, 1991, Werdelin & Lewis, 2001]
      |           |-- †D. palaeoonca (Meade, 1945)
      |           `--+-- †D. aronoki Werdelin & Lewis, 2001
      |              `-- †D. piveateaui (Ewer, 1955)
      `--+--o †Smilodontini
         |  |--o †Paramachairodus Pilgrim, 1913
         |  |  |-- †P. maximiliani [Propontosmilus, Sivasmilus]
         |  |  |-- †P. ogygia (Kaup, 1832)
         |  |  `-- †P. orientalis
         |  `--+--o †Megantereon Croizet & Jobert, 1828 [Toscanius]
         |     |  |-- †M. whitei
         |     |  |-- †M. gracile
         |     |  |-- †M. eurynodon
         |     |  |-- †M. megantereon
         |     |  |-- †M. vakhshensis
         |     |  |-- †M. cultridens
         |     |  `-- †M. ekidoit Werdelin & Lewis, 2000
         |     `--o †Smilodon Lund, 1842 [Smilodontidion Kraglievich 1948; Smilodontopsis Brown 1908; Trucifelis Leidy 1869] [non Smilodon Plieninger, 1846 (Suchia incertae sedis)]
         |        |-- †S. gracilis
         |        `--+-- †S. fatalis (Leidy, 1869) [incl. S. floridanus; S. californicus]
         |           `-- †S. populator Lund, 1842 [incl. S. neogaeus]
         `--o †“Homotherini”
            |?- †Nimravides pedionomus Kitts, 1958 sensu Antón & Galobert, 1999 [has also been treated as nimravid or Feline (McKenna & Bell)]
            `--+--o †Machairodus Kaup, 1833 [Heterofelis; Therailurus] [possibly paraphyletic]
               |  |-- †M. coloradensis Cook, 1922
               |  |-- †M. copei [=? M. coloradensis or M. tanneri]
               |  |-- †M. fires
               |  |-- †M. inexpectatus
               |  |-- †M. irtyschensis
               |  |-- †M. ischimicus
               |  |-- †M. kabir Peigné, de Bonis, Likius, Mackaye, Vignaud & Brunet, 2005
               |  |-- †M. kurteni Sotnikova, 1992
               |  |-- †M. palaeindicus [Megantereon palaeindicus; Pilgrim]
               |  |-- †M. palmidens
               |  |-- †M. robinsoni
               |  |-- †M. schlosseri
               |  |-- †M. tanneri
               |  |--o †M. aphanistus -group
               |  |  |-- †M. alberdiae
               |  |  |-- †M. aphanistus (Kaup, 1832)
               |  |  `-- †M. laskarevi
               |  `--o †M. giganteus -group [Amphimachairodus]
               |     |-- †M. giganteus (Wagner, 1848) [= Amphimachairodus giganteus]
               |     |?- †M. leoninus [jr. synon. M. giganteus sensu Peigné et al., 2005]
               |     |?- †M. palanderi [jr. synon. M. giganteus sensu Peigné et al., 2005]
               |     |?- †M. taracliensis [jr. synon. M. giganteus sensu Peigné et al., 2005]
               |     `?- †M. tingii [jr. synon. M. giganteus sensu Peigné et al., 2005]
               `--+-- †Xenosmilus hodsonae Martin, Babiarz, Naples & Hearst, 2000
                  `--+-- †Lokotunjailurus emageritus Werdelin, 2003
                     `--o †Homotherium Fabrini, 1890 [Epimachairodus Kretzoi, 1929; Dinobastis Cope 1893; Ischyrosmilus Merriam 1918]
                        |-- †H. darvasicum
                        |-- †H. davitasvilii
                        |-- †H. ethiopicum
                        |-- †H. latidens
                        |-- †H. problematicus
                        |-- †H. sainzelli Aymard [Epimachairodus crenatidens Fabrini; Homotherium crenatidensis (Fabrini)]
                        |-- †H. serum
                        `-- †H. ultimum

Reference(s):