DinosaursIllustrations and text look at how dinosaur remains have been excavated and studied, what we know about how dinosaurs lived, about related prehistoric creatures, and how we know what we know. |
Contents
How We Know About Dinosaurs | 8 |
When Dinosaurs Lived | 14 |
The Triassic Period 245 to 208 mya | 22 |
Copyright | |
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Common terms and phrases
40 feet Africa Allosaurus amphibians animals ankylosaurs armored back legs Baryonyx biggest bird bird-hipped body bones bony plates Carboniferous ceratopians claws Coelophysis Cretaceous Cretaceous Period Deinonychus Devonian Dilophosaurus dino Dinosaur fossils dinosaurs Dinosaurs dominate Diplodocus duckbill Earth eating dinosaur eggs Eocene Epoch Euparkeria evolve experts extinct feet long fish fossils frill grew head herd horns huge hunt hunter Iguanodon inches long Jurassic Jurassic Period kinds KNOW land lizard Lizard-hipped look Maiasaura mammals marine reptiles meat meat-eating dinosaurs million years ago Moschops Mussaurus mya Age name means neck nodosaurs North America Oviraptor paleontologists Pangaea Permian Period plant-eating dinosaurs plants Plateosaurus predators prehistoric prey prosauropod Protoceratops pterosaurs reptile that lived reptiles Rhamphorhynchus rock SAURISCHIANS sauropods sauros saurs saurus Scientists think Seismosaurus sharp teeth skeleton skull SORE-us species spikes spines Stegosaurs tail theropods today's Triassic Triceratops trilobites Troodon types of ornithischian Tyrannosaurus vulture walked on four