Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Westphalian  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Upper Carboniferous | |
| .....Westphalian | |
| RT | Asturian Orogeny |
| Essen Beds | |
| SN | Europe. Above Namurian, below Stephanian. |