synapsid

8 letters · noun · scores 2,200 in SpellHuntr

noun

extinct reptile having a single pair of lateral temporal openings in the skull

Synapsid in a sentence

We are synapsid tetrapods, a group of reptiles that almost went extinct 200 million years ago in competition with the better-designed dinosaurs.

synapsid is a valid word in SpellHuntr, worth 2,200 points (8 letters — longer words score more). Spell it in a live game →