Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Wasatchian  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....lower Eocene | |
| ......Wasatchian | |
| SN | North America. Above Clarkforkian and below Bridgerian. Added to Thesaurus in 1993. |