Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
K-T boundary  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....K-T boundary | |
| BT | stratigraphic boundary |
| .K-T boundary | |
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Paleocene | |
| .....lower Paleocene | |
| ......K-T boundary | |
| UF | Cretaceous-Tertiary boundary |
| K/T boundary | |
| RT | biostratigraphy |
| Arroyo El Mimbral | |
| Bauru Formation | |
| Beaverhead Formation | |
| Fort Union Formation | |
| Difunta Group | |
| Mardin Formation | |
| Muro Group | |
| Paskapoo Formation | |
| Deccan Traps | |
| Denver Formation | |
| El Kef Tunisia | |
| Mount Scopus Group | |
| Nanaimo Group | |
| North Horn Formation | |
| Rat | |
| SN | Before 1993, also search Cretaceous-Tertiary; (Cretaceous AND Tertiary AND (boundary or stratigraphic boundary)). This term has multiple hierarchies. Added to Thesaurus in 1993. |