Cladogram of Order Testudines, down to Family level.
Pelomedusidae (27)
Podocnemididae (8)
Chelidae (65) ►
Carettochelyidae (1)
Trionychidae (34)
Testudinidae (47)
Geoemydidae (71)
Platysternidae (1)
Emydidae (58)
Chelydridae (5)
Dermatemydidae (1)
Kinosternidae (31)
Dermochelyidae (1)
Cheloniidae (6)