Chel - Colu
- Chelidae
- Chelodina
- Chelodina expansa
- Chelodina intergularis
- Chelodina longicollis
- Chelodina novaeguineae
- Chelodina oblonga
- Chelodina parkeri
- Chelodina rugosa
- Chelodina siebenrocki
- Chelodina steindachneri
- Chelodina sulcifera
- Chelonia
- Chelonia depressa
- Chelonia mydas
- Cheloniidae
- Chelosania
- Chelosania brunnea
- Chelus
- Chelus fimbriatus
- Chelydra
- Chelydra serpentina
- Chelydridae
- Chersine
- Chersine angulata
- Chersodromus
- Chersodromus annulifera
- Chersodromus liebmanni
- Chersodromus rubriventris
- Chiasmocleis
- Chiasmocleis albopunctata
- Chiasmocleis anatipes
- Chiasmocleis bassleri
- Chiasmocleis bicegoi
- Chiasmocleis centralis
- Chiasmocleis hudsoni
- Chiasmocleis leucosticta
- Chiasmocleis panamensis
- Chiasmocleis schubarti
- Chiasmocleis shudikarensis
