Plesiochelyidae
Meiolania
Chelydroidea
Trionychoidea
Testudinoidea
Toxochelys
Osteopygis
Ctenochelys
Allopleuron
Chelonia_mydas
Puppigerus
Protostega_gigas
Desmatochelys
Corsochelys
Mesodermochelys
Eosphargis
Dermochelys
Psephophorus