noun
- plural of sphenodon; primitive reptiles resembling lizards, found only in New Zealand, with a third eye on top of the head
Usage: zoological
Examples
- Sphenodons are the only surviving members of an ancient reptile order.
- The two species of sphenodons are found exclusively on islands off New Zealand.
- Scientists study sphenodons to understand reptile evolution.
- Sphenodons have a unique third eye that can detect changes in light.
- Conservation efforts have helped protect sphenodons from extinction.
- Unlike lizards, sphenodons have a very slow metabolism and long lifespan.