Class Mammalia Linnaeus, 1758 - mammals
Count: [*†*] 5o; †16o;76f;282g;438s
   Order †Eutriconodonta Kermack, Mussett & Rigney, 1973, incertae sedis
  Count: [†*] †4f;24g;38s [12 Mar 2022]
     Family †"Amphilestidae" Osborn, 1888 [paraphyletic]
    Count: [†*] †9g;9s [12 Mar 2022]
       Genus †Triconolestes Engelmann & Callison, 1998 [monotypic]
      Count: [†*] †1s [12 Mar 2022]
         1 †Triconolestes curvicuspis Engelmann & Callison, 1998
        Count: -