Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Morrowan  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Lower Pennsylvanian | |
| ......Morrowan | |
| NT | Bloyd Formation |
| UF | Morrow Series |
| Morrowan Series | |
| RT | Chesterian |
| Watahomigi Formation | |
| Springer Formation | |
| Morrow Formation | |
| SN | Provincial series, North America. Above Chesterian (Mississippian), below Atokan. |
| Morrowan Series | |
|---|---|
| USE | Morrowan |