(Chelonia mydas)
**Genus Eretmochelys
***Hawksbill sea turtle (Eretmochelys imbricata)
**Genus Natator
***Flatback sea turtle (Natator depressus) (previously in Chelonia)

Cladogram

Below is a cladogram showing the phylogenetic relationships of living and extinct sea turtles in the family Cheloniidae based on Lynch