Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Asterozoa
Ophiuroidea (The brittle stars)
Myophiuroidea
Metophiurida
Euryophiurida
Ophiurida (Ophiurida incertae sedis)

Ophiophyllum (3543208)

Children (10 direct children, 10 direct and indirect children):

Ophiophyllum teplium

Ophiophyllum petilum

Ophiophyllum concinnus

Ophiophyllum marginatum

Ophiophyllum novaecaledoniae

Ophiophyllum atlanticum

Ophiophyllum borbonica

Ophiophyllum nesisi

Ophiophyllum minimum

Ophiophyllum umbonatum