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) |  |
|---|---|---|
|
||
| Stegoceras | 76 - 74 mya | |
| Struthiomimus | 76 - 74 mya | |
| Struthiosaurus | 83 - 75 mya | |
| Stygimoloch | 67 - 65 mya | |
| Styracosaurus | 76 - 70 mya | |
| Talarurus | 99 - 89 mya | |
| Tanius | 89 - 65 mya | |
| Tarbosaurus | 74 - 70 mya | |
| Tarchia | 75 - 68 mya | |
| Telmatosaurus | 84 - 65 mya | |
| Therizinosaurus | 85 - 70 mya | |
| Thescelosaurus | 76 - 67 mya | |
| Torosaurus | 70 - 65 mya | |
| Triceratops | 67 - 65 mya | |
| Troodon | 74 - 65 mya | |
| Tsagantegia | 99 - 84 mya | |
| Tsintaosaurus | 84 - 71 mya | |
| Tylocephale | 75 - 72 mya | |
| Tyrannosaurus | 67 - 65 mya | |
| Udanoceratops | 81 - 75 mya | |
| Unenlagia | 94 - 86 mya | |
| Urbacodon | 95 - ? mya | |
| Velociraptor | 84 - 80 mya | |
| Wannanosaurus | 84 - 71 mya | |
| Zalmoxes | 69 - ? mya |