Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
biozones  | |
|---|---|
| UF | biological zones |
| RT | stratigraphic units |
| stratigraphy | |
| biostratigraphy | |
| first occurrence | |
| SN | Added to Thesaurus in 1989. |
| Data sets | Publications | Expeditions | Thesaurus |
| biozones | |
|---|---|
| UF | biological zones |
| RT | stratigraphic units |
| stratigraphy | |
| biostratigraphy | |
| first occurrence | |
| SN | Added to Thesaurus in 1989. |