Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Irvingtonian  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Irvingtonian | |
| SN | North American continental stage. Above Blancan and below Rancholabrean. Added to Thesaurus in 1989. |