The Dino Directory
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Dino Timeline
The first dinosaurs appeared around 225 million years ago (mya) in a time known as the Mesozoic Era. Scientists divide this era into 3 periods: the Triassic, Jurassic and Cretaceous.
Select a section of the timeline below to see dinosaurs that lived then.
151 Late Cretaceous dinosaurs
| NAME (GENUS) | Years (million years ago) |  |
|---|---|---|
|
||
| Panoplosaurus | 79 - 75 mya | |
| Paralititan | 99 - 94 mya | |
| Parasaurolophus | 76 - 74 mya | |
| Parksosaurus | 76 - 74 mya | |
| Pentaceratops | 76 - 74 mya | |
| Pinacosaurus | 81 - 75 mya | |
| Platyceratops | 75 - 72 mya | |
| Prenocephale | 80 - 65 mya | |
| Prosaurolophus | 77 - 75 mya | |
| Protoceratops | 85 - 80 mya | |
| Protohadros | 99 - 94 mya | |
| Quaesitosaurus | 86 - 84 mya | |
| Rhabdodon | 76 - 70 mya | |
| Rinchenia | 72 - 68 mya | |
| Rugops | 95 - ? mya | |
| Saichania | 80 - ? mya | |
| Saltasaurus | 70 - 65 mya | |
| Saurolophus | 74 - 70 mya | |
| Saurornithoides | 85 - 80 mya | |
| Secernosaurus | 71 - 65 mya | |
| Segnosaurus | 97 - 88 mya | |
| Shantungosaurus | 78 - 74 mya | |
| Shuvuuia | 75 - 81 mya | |
| Sonidosaurus | 89 - 65 mya | |
| Spinosaurus | 95 - 70 mya |