The Dino Directory
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89 dinosaurs from USA
| NAME (GENUS) | Years (million years ago) |  |
|---|---|---|
|
||
| Marshosaurus | 154 - 142 mya | |
| Nanotyrannus | 67 - 65 mya | |
| Nodosaurus | 110 - 100 mya | |
| Nothronychus | 94 - 89 mya | |
| Ornitholestes | 150 - 144 mya | |
| Ornithomimus | 74 - 65 mya | |
| Orodromeus | 74 - ? mya | |
| Oryctodromeus | 99 - 94 mya | |
| Othnielia | 154 - 142 mya | |
| Pachycephalosaurus | 76 - 65 mya | |
| Panoplosaurus | 79 - 75 mya | |
| Parasaurolophus | 76 - 74 mya | |
| Pentaceratops | 76 - 74 mya | |
| Pleurocoelus | 121 - 99 mya | |
| Podokesaurus | 195 - 180 mya | |
| Prosaurolophus | 77 - 75 mya | |
| Protohadros | 99 - 94 mya | |
| Sauropelta | 121 - 94 mya | |
| Saurophaganax | 154 - 142 mya | |
| Scutellosaurus | 205 - 202 mya | |
| Segisaurus | 195 - 180 mya | |
| Seismosaurus | 155 - 144 mya | |
| Silvisaurus | 121 - 112 mya | |
| Stegoceras | 76 - 74 mya | |
| Stegosaurus | 156 - 144 mya |