| Answer | Crossword Clue |
|---|---|
| MASTODON | Massive extinct mammal |
| RHINO | Massive mammal |
| ELEPHANT | Massive mammal |
| MASTODON | Prehistoric massive mammal |
| RHINO | Massive mammal, for short |
| MAMMOTH | Extinct mammal |
| MASTODON | Extinct mammal |
| DINOCERAS | Extinct elephantlike mammal |
| MASTODON | Extinct tusked mammal |
| ELK | Eastern ... (extinct North American mammal) |
