The Dino Directory
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Name A-Z
Select a letter to view dinosaurs whose name starts with that letter:
41 dinosaurs beginning with 'A'
| NAME (GENUS) | Years (million years ago) |  |
|---|---|---|
|
||
| Antarctosaurus | 84 - 65 mya | |
| Apatosaurus | 154 - 145 mya | |
| Aragosaurus | 132 - 121 mya | |
| Aralosaurus | 94 - 84 mya | |
| Archaeoceratops | 121 - 99 mya | |
| Archaeopteryx | 147 - ? mya | |
| Archaeornithomimus | 95 - 70 mya | |
| Argentinosaurus | 90 - ? mya | |
| Arrhinoceratops | 72 - 67 mya | |
| Atlascopcosaurus | 121 - 97 mya | |
| Aucasaurus | 84 - 71 mya | |
| Austrosaurus | 112 - 99 mya | |
| Avaceratops | 80 - 75 mya | |
| Avalonia | 210 - 205 mya | |
| Avimimus | 80 - 75 mya | |
| Azendohsaurus | 227 - 221 mya |