Children (17 direct children, 194 direct and indirect children):
Cetotheriidae
(tree size 26)
Mammalodontidae
(tree size 3)
Diorocetus
(tree size 3)
Aetiocetidae
(tree size 4)
Neobalaenidae
Balaenopteroidea
(tree size 79)
Aglaocetidae
(tree size 3)
Llanocetidae
(tree size 2)
Uranocetus
(tree size 1)
Chaeomysticeti
(tree size 53)
Mystacodon
(tree size 1)
Pterobalaenidae
Aetiocetoidea
Eschrichtioidea
Mystacodontidae
Toipahautea
(tree size 1)
Amphiptera
(tree size 1)