Class Reptilia Linnaeus, 1758 - reptiles
Count: [*†*] 4o;47f; †14o;194f [5 Jan 2017]
   Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869
  Count: [*†*] 1o;1f; †4o;104f [4 Jan 2017]
     Order †Saurischia Seeley, 1887 see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
    Count: [†*] †34f [4 Jan 2017]
       Suborder †Theropoda Marsh, 1881 see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
      Count: [†*] †22f [4 Jan 2017]
         Infraorder †Carnosauria Huene, 1920 see Division Carnosauria Huene, 1920
        Count: [†*] †13f [4 Jan 2017]
           Family †Allosauridae Marsh, 1878
          Count: -