Children (9 direct children, 9 direct and indirect children):
Ophiopyrgus planulatus
Ophiopyrgus depressus
Ophiopyrgus turritus
Ophiopyrgus saccharatus
Ophiopyrgus alcocki
Ophiopyrgus australis
Ophiopyrgus biocalae
Ophiopyrgus wyvillethomsoni
Ophiopyrgus trispinosus