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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)
Ophiurina

Ophiuridae (3280399)

Children (11 direct children, 588 direct and indirect children):

Amphitarsus (tree size 3)

Ophiozona (tree size 24)

Ophiochalcis (tree size 2)

Ophiocten (tree size 40)

Ophiopenia (tree size 3)

Ophionotus (tree size 3)

Theodoria (tree size 4)

Ophioleucinae (tree size 34)

Ophiurinae (tree size 460)

Huangzhishania (tree size 3)

Ophioduplantiera (tree size 1)