Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Permian-Triassic boundary  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Triassic | |
| ....Lower Triassic | |
| .....Permian-Triassic boundary | |
| BT | stratigraphic boundary |
| .Permian-Triassic boundary | |
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Upper Permian | |
| .....Permian-Triassic boundary | |
| UF | P-T boundary (age) |
| P/T boundary (age) | |
| RT | Karroo Supergroup |
| Beacon Supergroup | |
| Baskunchak Series | |
| Beaufort Group | |
| Botucatu Formation | |
| Estrada Nova Formation | |
| Cache Creek Group | |
| Chugwater Formation | |
| Korenevskaya Formation | |
| Eagle Mills Formation | |
| Gondwana System | |
| Goose Egg Formation | |
| Ivishak Formation | |
| Louann | |
| SN | Before 1998, also search Permian-Triassic; (Permian AND Triassic AND (stratigraphic boundary or boundary)). This term has multiple hierarchies. Added to Thesaurus in 1998. |