Definition that contains saurischian dinosaur
- suborder ceratosaura primitive saurischian dinosaurs
- suborder theropoda carnivorous saurischian dinosaurs with short forelimbs; Jurassic and Cretaceous
- genus coelophysis late Triassic carnivorous saurischian dinosaurs
- theropoda carnivorous saurischian dinosaurs with short forelimbs; Jurassic and Cretaceous
- genus struthiomimus small toothless saurischian dinosaurs; later Cretaceous period in Canada