article: Ceratosauria
links: Coelophysis Upper Triassic Cretaceous Patagonia Implication (grammar) Sauropsida Animal Theropoda Jurassic Middle Jurassic Lower Jurassic Othniel Charles Marsh Saurischia Upper Jurassic Dilophosaurus Upper Cretaceous Dinosaur Abelisaurus Elaphrosaurus Eoabelisaurus Ceratosaurus