After Rasmussen & Simons, 1988, Prothero & Schoch, 1989, McKenna & Bell, 1997, and De Blieux & Simons, 2002

<==o †Titanohyracinae Matsumoto, 1926
   |-- †Antilohyrax pectidens Rasmussen & Simons, 2000
   `--o †Titanohyrax Matsumoto, 1922
      |-- †T. andrewsi Matsumoto, 1922
      |-- †T. mongereaui Sudre, 1979
      |-- †T. ultimus Matsumoto, 1922
      |-- †T. angustidens Rasmussen & Simons, 1988 [T. palaeotheroides nomen nudum]
      |-- †T. sp.1
      `-- †T. sp.2

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