Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Izumi Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Senonian | |
| ......Izumi Group | |
| RT | Honshu |
| Japan | |
| Shikoku | |
| SN | Kii Peninsula in S central Honshu, and Shikoku. |