hypothetical_ancestor

Proganochelys

Australochelys

Palaeochersis

Proterochersis

Kayentachelys

Mongolochelys

Meiolania

Kallokibotion

Platychelys

Caribemys

Notoemys

Podocnemis

Pelomedusa

Ermnochelys

Elseya

Phrynops

Chelodina

Dorsetochelys

Peltochelys

Compsemys

Dinochelys

Glyptops

Pleurosternon

Neurankylus

Trinitichelys

Plesiobaena

Boremys

Chisternon

Baena

Plesiochelys

Portlandemys

Solnhofia

Santanachelys

Thalassemys

Xinjianchelys

Hangaiemys

Judithemys

Dracochelys

Ordosemys

Sinemys

Toxochelys

Dermochelys

Mesodermochelys

Chelonia

Caretta

Protochelydra

Chelydra

Macroclemmys

Sandownia

Adocus

Basilemys

Zangerlia_neimongolensis

Emarginachelys

Geoclemmys

Chrysemys

Go_polyphemus

Mongolemys_elegans

Platysternon

Carettochelys

Anosteria

Lis_punctata

Ap_spinifera

Dermatemys

Baptemys

Hoplochelys

Staurotypus

Kinosternon

St_odoratus