Children (7 direct children, 92 direct and indirect children):
Ophioplax
(tree size 8)
Ophiochiton
(tree size 18)
Ophionereis
(tree size 47)
Ophiodoris
(tree size 7)
Ophiocrasis
(tree size 3)
Ophioneroides
(tree size 1)
Ophiotriton
(tree size 1)