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.
21 Late Triassic dinosaurs
| NAME (GENUS) | Years (million years ago) |  |
|---|---|---|
|
||
| Avalonia | 210 - 205 mya | |
| Azendohsaurus | 227 - 221 mya | |
| Chindesaurus | 227 - 210 mya | |
| Coelophysis | 225 - 220 mya | |
| Coloradisaurus | 221 - 210 mya | |
| Eoraptor | 228 - ? mya | |
| Euskelosaurus | 227 - 210 mya | |
| Guaibasaurus | 221 - 210 mya | |
| Herrerasaurus | 228 - ? mya | |
| Liliensternus | 205 - 202 mya | |
| Lycorhinus | 205 - 195 mya | |
| Melanorosaurus | 227 - 221 mya | |
| Mussaurus | 221 - 210 mya | |
| Pisanosaurus | 227 - 221 mya | |
| Plateosaurus | 210 - ? mya | |
| Procompsognathus | 221 - 210 mya | |
| Riojasaurus | 221 - 210 mya | |
| Saltopus | 221 - 210 mya | |
| Staurikosaurus | 227 - 221 mya | |
| Syntarsus | 205 - 190 mya | |
| Thecodontosaurus | 227 - 205 mya |