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) |  |
|---|---|---|
|
||
| Bugenasaura | 65 - ? mya | |
| Dracorex | 66 - ? mya | |
| Diceratops | 67 - 65 mya | |
| Leptoceratops | 67 - 65 mya | |
| Nanotyrannus | 67 - 65 mya | |
| Stygimoloch | 67 - 65 mya | |
| Triceratops | 67 - 65 mya | |
| Tyrannosaurus | 67 - 65 mya | |
| Zalmoxes | 69 - ? mya | |
| Alamosaurus | 70 - 65 mya | |
| Anatotitan | 70 - 65 mya | |
| Carnotaurus | 70 - ? mya | |
| Deinocheirus | 70 - 65 mya | |
| Hypacrosaurus | 70 - ? mya | |
| Saltasaurus | 70 - 65 mya | |
| Torosaurus | 70 - 65 mya | |
| Alioramus | 71 - 65 mya | |
| Ampelosaurus | 71 - 65 mya | |
| Hypselosaurus | 71 - 65 mya | |
| Indosuchus | 71 - 65 mya | |
| Isisaurus | 71 - 65 mya | |
| Magyarosaurus | 71 - 65 mya | |
| Neuquenosaurus | 71 - 65 mya | |
| Secernosaurus | 71 - 65 mya | |
| Arrhinoceratops | 72 - 67 mya |