Class Reptilia Linnaeus, 1758 - reptiles
   Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869
     Order †Saurischia Seeley, 1887 see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
       Suborder †Theropoda Marsh, 1881 see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
         Infraorder †Coelurosauria Huene, 1914 see Division Coelurosauria Huene, 1914
           1 Family †Ammosauridae von Huene, 1914 see Family Plateosauridae Marsh, 1895
           2 Family †Hallopodidae Marsh, 1881
           3 Family †Halticosauridae Huene, 1948
           4 Family †Podokesauridae von Huene, 1914 see Family Coelophysidae Nopcsa, 1928
           5 Family †Segisauridae Camp, 1936 see Family Coelophysidae Nopcsa, 1928
           6 Family †Coeluridae Marsh, 1881
           7 Family †Ceratosauridae Marsh, 1884
           8 Family †Sompsognathidae
           9 Family †Ornithomimidae Marsh, 1890