| Answer | Crossword Clue |
|---|---|
| ERAS | Time line divisions, perhaps |
| ERAS | Time line divisions |
| ERAS | Time-line divisions |
| ERAS | Time divisions |
| EONS | Time divisions. |
| EONS | Time divisions |
| YEARS | Time divisions |
| ZONES | Time divisions |
| ERAS | Time divisions. |
| ERAS | Divisions of time |
| MOONS | Indian time divisions |
| YRS | Time divisions: Abbr. |
| ERAS | Geologic time divisions |
| EONS | Geologic time divisions |
| EONS | Geological time divisions |
| EPOCHS | Geologic time divisions |
| EONS | Divisions of time. |
| MOS | Divisions of time: Abbr. |
| ERAS | Divisions of geological time. |
| HRS | Divisions of time: Abbr. |
| ERAS | Time divisions in geology. |
| EONS | Grand divisions of time. |
| EONS | Grand divisions of geological time. |
| ERAS | Major divisions of geological time |
