Children (9 direct children, 367 direct and indirect children):
Didelphidae
(tree size 354)
Opossums
Iqualadelphis
Varalphadon
Sparassocynidae
(tree size 1)
Derorhynchidae
Adinodontinae
(tree size 1)
Pediomyoidea
(tree size 2)
Didelphoidea
Peradectoidea