| Answer | Crossword Clue |
|---|---|
| TERTIARY | Period of the Cenozoic Era |
| NEOGENE | Period of the Cenozoic Era |
| quaternary | Of, relating to, or denoting the most recent period in the Cenozoic era, following the Tertiary period and comprising the Pleistocene and Holocene epochs (and thus including the present) |
| NEOGENE | Part of the Cenozoic era |
| cenozoic | the Cenozoic Era or group of systems |
| paleogene | noting or pertaining to the earlier part of the Cenozoic Era, in the system adopted by some geologists, occurring from 65 to 25 million years ago and including the Oligocene, Eocene, and Paleocene epochs: corresponds to the earlier part of the Tertiary Pe |
