| Answer | Crossword Clue |
|---|---|
| TRIASSIC | Mesozoic Era period |
| JURASSIC | Mesozoic Era period |
| PREHUMAN | Like the Mesozoic Era |
| OCEAN | Tethys, during the Mesozoic Era |
| NEOGENE | Period in Tertiary era. |
| TERTIARY | Period of the Cenozoic Era |
| NEOGENE | Period of the Cenozoic Era |
| AZOIC | .. Era: old name for Earth's pre-life period |
| ARA | Era of ... (period in Notre Dame football history) |
| ARA | The Era of ..: period in Notre Dame sports lore |
