Dinosaur TimeLine
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Dinosaur Timeline
Palaeozaic Era
| 1. Cambrian period: (570 million years ago) |
The first fishes, corals, trilobites and shellfish appeared. |
| 2. Ordovician period: (505 million years ago) | The first nautiloids appeared. Corals and trilobites were common. |
| 3. Silurian period: (438 million years ago) | The first land plants and giant sea scorpions called Eurypterids appeared. |
| 4. Devonian period: (408 million years ago) | The first amphibians, insects and spiders appeared |
| 5. Carboniforous period: (360 million years ago) | The first reptiles appeared. Great swamp forests covered the land. |
| 6. Permian period: (286 million years ago) | The first sailback reptiles such as Dimetrodon appeared. |
Mesozaic
Era
| 1. Triassic period: 245 million years ago | The first dinosaurs such as Coelophosis and Euskelosaurus, and mammals, turtles, crocodiles and frogs appeared. |
| 2. Jurassic period: (208 million years ago) | The first birds appeared Dinosaurs included diplodocus, stegasaurus, brachiosaurus. |
| 3. Cretaceous period: (144 million years ago) | Dinosaurs during this time included muttaburrasaurus, quetsalcoatlus, ankylosaurus. The dinosaurs died out towards the end of this period.The first snakes and modern mammals appeared. |
