Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. see Clade Archosauria Cope 1869 [Gauthier & Padian 2020]
   Theropoda Marsh 1881 [Gauthier 1986] see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
     Neotheropoda Bakker 1986 [Sereno 1998]
       †Coelophysoidea Holtz 1994 [Sereno 1998] see Superfamily Coelophysoidea Nopcsa, 1928
         †Coelophysidae Paul 1988 [Sereno 1998] see Family Coelophysidae Nopcsa, 1928
           †"Syntarsus" kayentakatae Rowe, 1989