| Answer | Crossword Clue |
|---|---|
| natterjack | a kind of toad, having a yellow line along its back |
| natterjacks | NATTERJACK, a kind of toad, having a yellow line along its back |
| pelycosaur | A large extinct reptile of the late Carboniferous and Permian periods, typically having a line of long bony spines along the back supporting a sail-like crest |
| pelycosaurs | A large extinct reptile of the late Carboniferous and Permian periods, typically having a line of long bony spines along the back supporting a sail-like crest |
