| Clue | Source | Date |
|---|---|---|
| Extinct mammals (9) | ||
| Extinct elephants | LA Times Daily | 23 Mar 2021 |
| Extinct elephants | The Washington Post | 23 Mar 2021 |
| Huge beasts once beating toads in battle | ||
| Extinct tusked beasts | ||
| Large, extinct mammals | ||
| Pleistocene mammals | ||
| Extinct relatives of elephants. |