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
       †Ceratosauria Marsh 1895 [Rowe & Gauthier 1990]
         †Neoceratosauria Novas 1991 [Holtz 1994]
           †Abelisauroidea Bonaparte 1991 [Holtz 1994] see Superfamily Abelisauroidea Bonaparte & Novas, 1985
             †Abelisauridae Bonaparte & Novas 1985 [Novas 1997] see Family Abelisauridae Bonaparte & Novas, 1985
               †Brachyrostra Canale et al. 2009
                 Genus †Aucasaurus Coria, Chiappe & Dingus, 2002