Dinosauria Owen 1841
   Saurischia Seeley 1887 [Gauthier 1986]
     Theropoda Marsh 1881 [Gauthier 1986]
       Neotheropoda Bakker 1986 [Sereno 1998]
         1 †Ceratosauria Marsh 1895 [Rowe & Gauthier 1990]
         2 Tetanurae Gauthier 1986