After Tanner, 1978, McKenna, Chow, Ting & Luo, 1989, Prothero & Schoch, 1989, McKenna & Bell, 1997 and Sanders, Kappelman & Rasmussen, 2004

<==o †Embrithopoda Andrews, 1906
   `--o †Arsinoitheriidae Andrews, 1904 [Arsinotheriidae Andrews, 1904, lapsus calami]
      |-- †Radinskya yupingae McKenna, Chow, Ting & Luo, 1989
      `--+-- †Heptoconodon Zdansky, 1930 [?Lunania Chow, 1957]
         `--+--o †Arsinoitherium Beadnell, 1902 [Arsinotherium Beadnell, 1902, lapsus calami]
            |  |-- †A. zitteli Beadnell, 1902
            |  |?- †A. andrewsii Lankester, 1903 [=? A. zitteli]
            |  `-- †A. giganteus Sanders, Kappelman & Rasmussen, 2004
            `--+?- †Crivadiatherium Radulesco et al., 1976 [nomen dubious]
               `?- †Palaeoamasia Sen & Heintz, 1979 [nomen dubious]

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