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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
Ophintegrida
Amphilepidida
Gnathophiurina
Amphiuroidea
Amphiuridae (Long-armed burrowing brittle stars)

Ophiocnida (3455270)

Children (19 direct children, 19 direct and indirect children):

Ophiocnida hispida

Ophiocnida californica

Ophiocnida scabriuscula

Ophiocnida loveni

Ophiocnida scabra

Ophiocnida picteti

Ophiocnida abnormis

Ophiocnida alboviridis

Ophiocnida amphacantha

Ophiocnida aspera

Ophiocnida caribea

Ophiocnida dilatata

Ophiocnida echinata

Ophiocnida filogranea

Ophiocnida libera

Ophiocnida olivacea

Ophiocnida pilosa

Ophiocnida sexradia

Ophiocnida verticillata