Children (19 direct children, 19 direct and indirect children):
Ophioscolex marionis
Ophioscolex glacialis
Ophioscolex pertinax
Ophioscolex corynetes
Ophioscolex inermis
Ophioscolex disacanthus
Ophioscolex serratus
Ophioscolex tropicus
Ophioscolex tripapillatus
Ophioscolex fragilis
Ophioscolex dentatus
Ophioscolex nutrix
Ophioscolex purpureus
Ophioscolex clivulus
Ophioscolex coppingeri
Ophioscolex cretaceus
Ophioscolex prolifer
Ophioscolex purpurea
Ophioscolex stimpsonii