Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Gulfian  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Gulfian | |
| NT | Aguja Formation |
| Austin Chalk | |
| Austin Group | |
| Eagle Ford Formation | |
| Escondido Formation | |
| Navarro Group | |
| Olmos Formation | |
| Prairie Bluff Chalk | |
| Taylor Marl | |
| Woodbine Formation | |
| RT | San Miguel Formation |
| SN | North America, provincial series. |