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
                   †Alvarezsauroidea Livezey & Zusi 2007 [Choiniere, Xu, Clark, Forster, Guo & Han 2010] see Superfamily Alvarezsauroidea Bonaparte, 1991
                     1 Genus †Haplocheirus Choiniere, Xu X., J. Clark, Forster, Guo & Han F., 2010
                     2 †Alvarezsauridae Bonaparte 1991 [Sereno 1999] see Family Alvarezsauridae Bonaparte, 1991