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
Ophintegrida
Amphilepidida
Ophionereidina
Ophiolepidoidea

Hemieuryalidae (3460556)

Children (14 direct children, 103 direct and indirect children):

Ophiomoeris (tree size 9)

Hemieuryale (tree size 5)

Sigsbeia (tree size 7)

Ophiozonella (tree size 37)

Ophiozonoida (tree size 6)

Astrogymnotes (tree size 5)

Ophioplocus (tree size 15)

Actinozonella (tree size 1)

Quironia (tree size 1)

Ophioleila (tree size 1)

Ophioplus (tree size 1)

Ophioholcus (tree size 1)

Hemieuryalinae

Ophiochondrinae