Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Hermosa Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Middle Pennsylvanian | |
| ......Hermosa Formation | |
| RT | New Mexico |
| Utah | |
| Colorado | |
| Arizona | |
| Honaker Trail Formation | |
| Paradox Member | |
| SN | Middle Pennsylvanian of Arizona, Colorado, New Mexico and Utah. Added to Thesaurus in 1985. |