Dinosauria Owen 1841
   Saurischia Seeley 1887 [Gauthier 1986]
     Theropoda Marsh 1881 [Gauthier 1986]
       Neotheropoda Bakker 1986 [Sereno 1998]
         Tetanurae Gauthier 1986
           1 †Spinosauroidea Olshevsky 1995 see Subdivision Spinosauroidea Olshevsky, 1995
           2 Neotetanurae Sereno et al. 1994 see Clade Avetheropoda Paul 1988 [Padian et al. 1999]