After Cifelli & Schaff, 1998

<==o †Arctostylopida Cifelli & Schaff, 1998?
   `--o Arctostylopidae
      |?- †Kazachostylopus Nessov [Nesov], 1987
      |-- †Asiastylops spanios Zheng, 1979 [Asiastylopinae]
      `--o †Arctostylopinae
         |--o †Sinostylopini
         |  |-- †Sinostylops promissus Tang & Yan, 1976
         |  `--o †Bothriostylops Zheng & Huang, 1986
         |     |-- †B. progressus
         |     `-- †B. notios
         `--o †Arctostylopini
            |-- †Arctostylops steini Matthew, 1915
            `--+-- †Palaeostylops iturus Matthew & Granger, 1925
               `--+-- †Gashatostylops macrodon Cifelli, Schaff & McKenna, 1989
                  `--+-- †Anatolostylops dubius Zheng, 1979
                     `-- †Arctostylopidae genera et species indet.

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