IGUANODON
| Date | Clue |
|---|---|
| 2026-07-09 | Dinosaur named for a lizard tooth |
| 2021-01-19 | Large, herbivorous dinosaur that could walk on two legs |
| 2020-06-16 | Bulky herbivorous dinosaur |
| 2018-08-17 | 30-foot-long dinosaur able to walk on either two legs or four |
| 2017-08-11 | One of the dinosaurs upon which Godzilla is based |
| 2009-05-23 | Dinosaur with large thumb spikes |