 Theropoda Marsh 1881 [Gauthier 1986]
 see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
 Theropoda Marsh 1881 [Gauthier 1986]
 see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
   Neotheropoda Bakker 1986 [Sereno 1998]
 Neotheropoda Bakker 1986 [Sereno 1998]
     Averostra Paul 2002
 Averostra Paul 2002
       Tetanurae Gauthier 1986
 Tetanurae Gauthier 1986
         Orionides Carrano, Benson & Sampson 2012
 Orionides Carrano, Benson & Sampson 2012
           Avetheropoda Paul 1988 [Padian et al. 1999]
 Avetheropoda Paul 1988 [Padian et al. 1999]
             †Allosauroidea Marsh, 1878
 †Allosauroidea Marsh, 1878
               †Metriacanthosauridae Paul, 1988
 †Metriacanthosauridae Paul, 1988
                 Genus †Yangchuanosaurus Dong, Chang, Li & Zhou, 1978
 Genus †Yangchuanosaurus Dong, Chang, Li & Zhou, 1978
                   †Yangchuanosaurus zigongensis (Gao, 1993)
 †Yangchuanosaurus zigongensis (Gao, 1993)