TYPE SPECIES:
• A. valens (Leidy, 1870) [nomen dubium] (originally Poekilopleuron)
  
  MISASSIGNED SPECIES:
• A. atrox (Marsh, 1878) (originally Creosaurus) ==
• A. ferox (Marsh, 1896) (originally Allosaurus) ==
• A. fragilis (Marsh, 1877) (originally Allosaurus) = Allosaurus fragilis
• A. lucaris (Marsh, 1878) (originally Allosaurus) == A. fragilis
• A. meriani (Greppin, 1870) [nomen dubium] (originally Megalosaurus) = Ceratosaurus meriani
• A. sibiricus Riabinin, 1914 [nomen dubium] = Chilantaisaurus sibiricus
• A. stechowi (Janensch, 1925) [nomen dubium] (originally Labrosaurus) == Ceratosaurus roechlingi
• A. sulcatus (Marsh, 1896) [nomen dubium] (originally Labrosaurus) == Ceratosaurus nasicornis
• A. tendagurensis (Janensch, 1925) [nomen dubium] (originally Allosaurus) = Allosaurus tendagurensis
• A. trihedrodon (Cope, 1877) [nomen dubium] (originally "Laelaps") = Allosaurus trihedrodon

Animalia
Vertebrata
Tetrapoda
Sauropsida
Archosauromorpha
Ornithodira
Dinosauria
Theropoda
Tetanurae
Carnosauria
Allosauridae

This may be the same thing as Allosaurus, but remains are too incomplete to be sure.