Theropoda Marsh 1881 [Gauthier 1986] see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
Count: -
   Neotheropoda Bakker 1986 [Sereno 1998]
  Count: [†*] †8f;54g;61s
     Averostra Paul 2002
    Count: [†*] †7f;52g;58s
       †Ceratosauria Marsh 1895 [Rowe & Gauthier 1990]
      Count: [†*] †4g;4s
         Genus †Ceratosaurus Marsh, 1884
        Count: [†*] †1s
           †Ceratosaurus nasicornis Marsh, 1884
          Count: -