- a reptile of the order Chelonia
- of or relating to or resembling or being a turtle or tortoise
- (chelonia) green turtles
- (chelonia) tortoises and turtles
- This is a list of fictional creatures and aliens from the long-running BBC science fiction television series Doctor Who. It covers alien races and other fictional creatures, but not specific characters. Individual characters are listed in separate articles.
- (CHELONIA) (pronounced chee-LOW-nee-an) Chelonians (order Testudines) include the turtles, tortoises, and terrapins. These reptiles have a shell that encloses the body and a solid-roofed skull. The earliest chelonians date from the late Triassic period, over 200 million years ago. ...
- an animal that is a tortoise, turtle or terrapin; adjective relating to such an animal