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
Ophintegrida
Amphilepidida
Gnathophiurina
Ophiactoidea
Ophiactidae
Children (1 direct children, 1 direct and indirect children):
Ophiopus arcticus