Theropoda Marsh 1881 [Gauthier 1986] see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
   Neotheropoda Bakker 1986 [Sereno 1998]
     Averostra Paul 2002
       Tetanurae Gauthier 1986
         Orionides Carrano, Benson & Sampson 2012
           Avetheropoda Paul 1988 [Padian et al. 1999]
             Coelurosauria Huene 1914 [Gauthier 1986]
               Maniraptoriformes Holtz 1995 [Holtz 1996]
                 Maniraptora Gauthier 1986
                   †Therizinosauria Russell 1997 [Russell 1997]
                     †Therizinosauroidea Russell & Dong 1993 [Zhang et al. 2001] see Superfamily Therizinosauroidea Maleev, 1954
                       †Therizinosauridae Maleev 1954 [Sereno 1998] see Family Therizinosauridae Maleev, 1954
                         1 Genus †Beipiaosaurus Xu, Tang & Wang, 1999
                         2.1 Genus †Alxasaurus Russell & Dong, 1993
                         2.2.1 Genus †Nothronychus Kirkland & Wolfe, 2001
                         2.2.2.1 Genus †Erlikosaurus Perle, 1981
                         2.2.2.2 Genus †Segnosaurus Perle, 1979