After McKenna & Bell, 1997, with fossil species from “Paleobiology database”

<==o Camelidae Gray, 1821 [Camelina Gray, 1825; Camelida Haeckel, 1866] [incl.Protolabididae Cope, 1884; †Eschatiidae Cope, 1887] (camels; kamelit)
   |?-o †Miotylopus Schlaikjer, 1935 [incl. Dyseotylopus Stock, 1935]
   |  |?- †M. gibbi (Loomis, 1911) [Oxydactylus gibbiDyseotylopus migrans Stock 1935; Miotylopus bathygnathus Schlaikjer 1935]
   |  |?- †M. leonardi (Loomis, 1911) [Gentilicamelus leonardi; Protomeryx leonardi]
   |  `-- †M. taylori Prothero, 1996
   `--+--o †Poebrodontinae (Wilson, 1974) McKenna & Bell, 1997 [Poebrodoninae Wilson, 1974]
      |  |--o †Poebrodon Gazin, 1955
      |  |  |-- †P. californicus Golz, 1976
      |  |  `-- †P. kayi Gazin, 1955
      |  `?- †Hidrosotherium transpecoensis Wilson, 1974 [= Hendryomeryx defordi Wilson, 1974]
      `--+--o †Poebrotheriinae (Cope, 1874) McKenna & Bell, 1997 [Poebrotheriidae Cope, 1874; †Poebrotherinae (Cope) Zittel, 1893]
         |  |--o †Poebrotherium Leidy, 1847 [†Protomeryx Leidy, 1856]
         |  |  |-- †P. wilsoni Leidy, 1847 [†Poebrotherium andersoni Troxell, 1917] (type)
         |  |  |-- †P. chadronensis Prothero, 1996
         |  |  |-- †P. eximium Hay, 1902
         |  |  |-- †P. franki Wilson, 1974
         |  |  `?- †P. labratum
         |  |-- †Paralabis cedrensis (Matthew 1901) Lull, 1921 (non McKenna, 1966) [†Pseudolabis (Paralabis) Lull, 1921; †Gentilicamelus campestris Matthew 1901, †Paralabis matthewi Lull 1921, †Paratylopus matthewi Lull 1921, †Protomeryx campester Matthew 1901, †Pseudolabis matthewi Lull 1921, †Stenomylus campester Matthew 1901]
         |  |--o †Paratylopus (Matthew, 1904) Matthew, 1909 [†Miolabis (Paratylopus) Matthew, 1904]
         |  |  |-- †P. labiatus (Cope, 1881)
         |  |  `-- †P. primaevus (Matthew, 1904) Matthew, 1909
         |  `-- †Gentilicamelus sternbergi (Cope, 1879) Loomis, 1936 [†Gomphotherium Cope, 1886, nonGomphotherium Burmeister, 1837 a genus of Proboscidea; nonGomphotherium Filhol, 1884, a synonym of †Tetracus Aymard, 1850, a genus of Lipotyphla]
         `--+-- †Pseudolabis dakotensis Matthew, 1904 [Pseudolabinae Simpson, 1945]
            `--+-- Camelinae Zittel, 1893 [Camelidae Gray, 1821; Camelinae Zittel, 1893] [incl.Protolabinae Zittel, 1893] (true camels; aitokamelit)
               `--+--o †Aepycamelinae Webb, 1965 [Alticamelinae Simpson, 1945; †Nothokemadidae White, 1947]
                  |  |--o †Oxydactylus Peterson, 1904
                  |  |  |-- †O. benedentatus Hay, 1924 [Procamelus benedentatus]
                  |  |  |-- †O. cameloides (Wortman 1898) [Gentilicamelus cameloides; Gomphotherium cameloides; Miolabis cameloides; Paratylopus cameloides]
                  |  |  |-- †O. campestris Cook, 1909
                  |  |  |-- †O. lacota Matthew, 1960
                  |  |  |-- †O. longipes Peterson, 1904
                  |  |  |-- †O. longirostris Peterson, 1911
                  |  |  |-- †O. lulli Loomis, 1911
                  |  |  `-- †O. wyomingensis Loomis, 1936
                  |  `--+-- †Australocamelus orarius Patton, 1969
                  |     `--+--o †Aepycamelus Macdonald, 1956 [Alticamelus Matthew, 1901 (nomen dubium); †Altomeryx Frick, 1929 (nomen nudum)]
                  |        |  |-- †A. alexandrae (Davidson, 1923) [Alticamelus alexandrae; Hesperocamelus alexandrae]
                  |        |  |-- †A. bradyi Macdonald, 1956
                  |        |  |-- †A. elrodi (Douglass, 1909) [Alticamelus elrodi; Procamelus elrodi]
                  |        |  |-- †A. giraffinus (Matthew, 1909) Macdonald, 1956
                  |        |  |-- †A. major (Leidy, 1886) [Auchenia major; Megatylopus major; Pliauchenia major; Procamelus major]
                  |        |  |-- †A. priscus (Matthew & Cook, 1909) [Alticamelus priscus]
                  |        |  |-- †A. procerus (Matthew & Cook, 1909) [Alticamelus procerus]
                  |        |  |-- †A. robustus (Leidy, 1858) [Alticamelus robustus; Procamelus robustus; Alticamelus madisonius Douglass, 1899; Homocamelus caninus Leidy, 1869; Procamelus madisonius Douglass, 1899]
                  |        |  `-- †A. stocki Henshaw, 1942 [Alticamelus stocki]
                  |        `--+-- †Priscocamelus wilsoni M.S. Stevens, in M.S. Stevens, J.B. Stevens & Dawson, 1969
                  |           `--+-- †Delahomeryx browni Stevens, 1969
                  |              `--+-- †Hesperocamelus stylodon Macdonald, 1949
                  |                 `--o †Nothokemas White, 1940
                  |                    |-- †N. floridanus (Simpson 1932) [Oxydactylus floridanus; Nothokemas grandis White; 1940 Paratylopus grandis White, 1940]
                  |                    |-- †N. hidalgensis Patton, 1969
                  |                    `-- †N. waldropi Frailey, 1978
                  `--+--o †Miolabinae Hay, 1902
                     |  |-- †Capricamelus gettyi Whistler & Webb, 2005
                     |  |--o †Miolabis Hay, 1899 [Miolabis Hay vide Matthew, 1898 (nomen nudum)]
                     |  |  |-- †M. californicus Maxson, 1930
                     |  |  |-- †M. fissidens (Cope, 1876) [Procamelus fissidens, Protolabis fissidens]
                     |  |  |-- †M. fricki Kelly, 1992
                     |  |  |-- †M. longiceps Matthew, 1909 [Protolabis longiceps]
                     |  |  |-- †M. montanus (Douglass, 1899) [Protolabis montanus]
                     |  |  |-- †M. princetonianus (Sinclair 1915) [Protolabis princetonianus]
                     |  |  `-- †M. transmontanus (Cope, 1879) [Protolabis transmontanus]
                     |  |-- †Nothotylopus camptognathus Patton, 1969
                     |  `--o †Paramiolabis Kelly, 1992
                     |     |-- †P. singularis (Matthew, 1918) Honey, 1998 [Miolabis singularis Pliauchenia singularis]
                     |     |-- †P. taylori Kelly, 1992
                     |     `-- †P. tenuis (Matthew, 1924) [Miolabis tenuis]
                     `--+--o †Stenomylinae Matthew, gregory & Mosenthal, in Osborn, 1968
                        |  |--o †Stenomylus Peterson, 1906 [incl. †Pegomylus Frick & Taylor, 1968]
                        |  |  |-- †(Pegomylus) keelinensis Frick & Taylor, 1968
                        |  |  `--o †(Stenomylus) Peterson, 1906
                        |  |     |-- †S. (S.) crassipes Loomis, 1910
                        |  |     |-- †S. (S.) gracilis Peterson, 1906
                        |  |     |-- †S. (S.) hitchcocki Loomis, 1910
                        |  |     |-- †S. (S.) taylori Cassiliano, 2008
                        |  |     `-- †S. (S.) tubutamensis Ferrusquia-Villafranca, 1990
                        |  `--+-- †Blickomylus galushai Frick & Taylor, 1968
                        |     `-- †Rakomylus raki Frick, 1937
                        `--o †Floridatragulinae Maglio, 1966
                           |-- †Cuyamacamelus jamesi Kelly, 1992
                           `==o †Aguascalientia Stevens, 1977 [paraphyletic sensu Rincon et al., 2012]
                              |-- †A. panamaensis Rincon, Bloch, Suarez, MacFadden & Jaramillo, 2012
                              `--+-- †A. minuta Rincon, Bloch, Suarez, MacFadden & Jaramillo, 2012
                                 |-- †A. wilsoni (Dalquest & Mooser, 1974) [Miotylopus wilsoni Dalquest & Mooser, 1974]
                                 `--o †Floridatragulus White, 1940 [Hypermekops White 1942]
                                    |-- †F. dolichanthereus White, 1940 [Floridatragulus barbouri White 1947; Hypermekops olseni White 1942]
                                    |-- †F. hesperus Patton, 1969
                                    |-- †F. nanus Patton, 1969
                                    `-- †F. texanus Patton, 1969

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