Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| Morrison Formation  | |
|---|---|
| BT | Chronostratigraphic Units | 
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Upper Jurassic | |
| .....Morrison Formation | |
| RT | New Mexico | 
| Utah | |
| Wyoming | |
| Montana | |
| Oklahoma | |
| Colorado | |
| Kansas | |
| Arizona | |
| South Dakota | |
| Brushy Basin Shale Member | |
| Salt Wash Sandstone Member | |
| Westwater Canyon Sandstone Member | |
| SN | In Plata Mountains of Colorado, comprises (ascending) Pony Express Limestone, Bilk Creek Sandstone, Wanakah Marl (restricted), and Junction Creek Sandstone. |