Dimetrodon
Permian carnivore
OSRIC
| Armor Class | 7 |
|---|---|
| Hit Dice | 7 |
| Number Encountered | 3d6 |
| Attacks | 1 |
| Damage | 1d10 |
| Move | 90-ft |
| Alignment | Neutral |
| Intelligence | Non- |
| XP | 4/100+6/hp |
| Size | Large |
| Frequency | Uncommon |
| Lair | Nil |
Dimetrodon is technically a synapsid, and is anachronistic here by quite a large number of millions of years, being more separated from Tyrannosaurus in time than 21st century humans are. It had a huge “sail” on its back that may have helped it regulate its temperature.