Hypothetical_outgroup
Plesiochelyidae
Xinjiangchelys
Sinemydidae
Chelomacryptodira
Chelydridae
Toxochelys
Ctenochelys
Euclastes
Chelonia
Puppigerus
Corsochelys
Dermochelys
Mesodermochelys
Ocepechelon
Santanachelys
Bouliachelys
Notochelone
Desmatochelys
Protostega
Chelosphargis