Children (30 direct children, 131 direct and indirect children):
Ophiogeron
(tree size 3)
Ophiomyxa
(tree size 30)
Ophiobyrsella
(tree size 3)
Ophiobrachion
(tree size 2)
Ophiobyrsa
(tree size 8)
Ophiophrixus
(tree size 4)
Ophiocanops
(tree size 3)
Ophioleptoplax
(tree size 3)
Ophioscolex
(tree size 19)
Ophiuroconis
(tree size 4)
Ophiurochaeta
(tree size 2)
Ophiosyzygus
(tree size 1)
Ophiophrura
(tree size 3)
Neoplax
(tree size 2)
Ophiomora
(tree size 1)
Ophiorupta
(tree size 1)
Ophioplexa
(tree size 1)
Ophiostiba
(tree size 1)
Ophiostyracium
(tree size 1)
Ophiosmilax
(tree size 2)
Ophiosciasma
(tree size 1)
Ophioschiza
(tree size 1)
Ophiohymen
(tree size 1)
Ophiohyalus
(tree size 1)
Ophioblenna
(tree size 1)
Ophiothrixus
(tree size 1)
Ophiobyrsinae
Ophiomyxinae
Astrogeron
(tree size 1)
Ophiodera