Children (14 direct children, 158 direct and indirect children):
Cheloniidae
(tree size 71)
Typical sea turtles
Protostegidae
(tree size 33)
Dermochelyidae
(tree size 24)
Leatherback sea turtles
Desmatochelyidae
(tree size 5)
Toxochelyidae
(tree size 5)
Euclastes
(tree size 2)
Pacifichelys
Thalassemyidae
Pancheloniidae
(tree size 2)
Pandermochelys
Chitracephalus
(tree size 1)
Dermochelyoidae
(tree size 1)
Nichollsemys
Cabindachelys