"Therapsid" validity in different word game dictionaries
| Dictionary | Validity |
|---|---|
| Scrabble US(US/Canada/Thailand - TWL/NWL) | Yes |
| Scrabble UK(International - SOWPODS/CSW) | Yes |
| Words with Friends(WWF) | Yes |
"therapsid" Definition
- any of an order (Therapsida) of advanced synapsid vertebrates that flourished during the Permian and Triassic periods with the last forms becoming extinct during the Cretaceous period and that are considered ancestors of the mammals