AllTriassic PeriodJurassic PeriodCretaceous Plant-eatersCretaceous Meat-eatersSky ReptilesSea Reptiles Triassic Period 5 dinosaurs 1Eoraptor 2Herrerasaurus 3Coelophysis 4Plateosaurus 5Mussaurus Jurassic Period 12 dinosaurs 6Brachiosaurus 7Diplodocus 8Stegosaurus 9Allosaurus 10Archaeopteryx 11Dilophosaurus 12Apatosaurus 13Compsognathus 14Kentrosaurus 15Megalosaurus 16Mamenchisaurus 17Ceratosaurus Cretaceous Plant-eaters 11 dinosaurs 18Triceratops 19Ankylosaurus 20Parasaurolophus 21Iguanodon 22Pachycephalosaurus 23Protoceratops 24Styracosaurus 25Maiasaura 26Argentinosaurus 27Edmontosaurus 28Psittacosaurus Cretaceous Meat-eaters 10 dinosaurs 29Tyrannosaurus rex 30Velociraptor 31Spinosaurus 32Giganotosaurus 33Carnotaurus 34Troodon 35Deinonychus 36Baryonyx 37Oviraptor 38Utahraptor Sky Reptiles 6 dinosaurs 39Pteranodon 40Quetzalcoatlus 41Rhamphorhynchus 42Pterodactylus 43Dimorphodon 44Tupandactylus Sea Reptiles 6 dinosaurs 45Mosasaurus 46Plesiosaurus 47Ichthyosaurus 48Elasmosaurus 49Liopleurodon 50Archelon