noun
- the taxonomic class of cold-blooded vertebrates that includes snakes, lizards, turtles, and crocodiles
Usage: scientific; formal
Examples
- Reptilia is one of the major classes in the animal kingdom.
- Students studied the characteristics that define Reptilia in biology class.
- The museum’s natural history section featured extensive displays on Reptilia.
- Reptilia includes both extinct dinosaurs and modern reptiles.
- The scientific classification places all reptiles under Reptilia.
- Researchers published new findings about the evolution of Reptilia.