Children (18 direct children, 18 direct and indirect children):
Ophiochiton triphylax
Ophiochiton agassizii
Ophiochiton inaequalis
Ophiochiton fastigatus
Ophiochiton commixtus
Ophiochiton ambulator
Ophiochiton ternispinus
Ophiochiton bispinosus
Ophiochiton megalaspis
Ophiochiton lentus
Ophiochiton lymani
Ophiochiton solutum
Ophiochiton carinatus
Ophiochiton nereis
Ophiochiton australis
Ophiochiton modestus
Ophiochiton pratti
Ophiochiton grandis