Children (18 direct children, 477 direct and indirect children):
Placodont
(tree size 42)
Placodontia
Plesiosauria
(tree size 326)
Plesiosaur
Thalattosaur
(tree size 26)
Thalattosauria
Nothosaur
(tree size 25)
Nothosauria
Bishanopliosaurus
(tree size 1)
Eretmosaurus
Eurysaurus
Pachycostasaurus
(tree size 1)
Corosaurus
Crymocetus
Goniosaurus
Orophosaurus
Piratosaurus
Pistosauroidea
(tree size 13)
Taphrosaurus
Placodontiformes
(tree size 2)
Atopodentatus
(tree size 1)
Eosauropterygia
(tree size 22)