Phylum [Vertebrata] (Lamarck, 1801)
Count: -
   Class Reptilia Linnaeus, 1758 - reptiles
  Count: 4o6f1g; †20o115f227g
     Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
    Count: -
       Order †Araeoscelida see Order Araeoscelidia Williston, 1913
      Count: [*] †2f2g
         Family †Araeoscelididae
        Count: [*] †1g
           Genus †Araeoscelis Williston, 1910
          Count: -