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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)

Acrocnida (3468058)

Children (4 direct children, 4 direct and indirect children):

Acrocnida brachiata

Acrocnida semisquamata

Acrocnida spatulispina

Acrocnida fuscoalba