Phylum [Vertebrata] (Lamarck, 1801)
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   Class Mammalia Linnaeus, 1758 - mammals
  Count: -
     Subclass Theria Parker & Haswell, 1897
    Count: -
       Infraclass Eutheria Gill, 1872
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         Cohort Epitheria McKenna, 1975
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           Superorder Ungulata Linnaeus, 1766
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             Order †Pantodonta Cope, 1873
            Count: [*] †1f1g
               Family †Coryphodontidae Marsh, 1876
              Count: [*] †1g
                 Genus †Coryphodon Owen, 1845
                Count: -