Card Trivia:Fossil Dyna Pachycephalo
- This monster is based on the fossilized skeleton of a Pachycephalosaurus.
- This is one of three Rock monsters based on the fossilized skeletons of dinosaurs, the other two being "Flint Cragger" and "Fossil Dragon Skullgios".
- Fittingly, all three monsters were used by Jim Crocodile Cook in the Yu-Gi-Oh! GX anime.
