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)

Ophiurella (67633186)

Children (7 direct children, 7 direct and indirect children):

Ophiurella royeri

Ophiurella bispinosa

Ophiurella griesbachii

Ophiurella lariensis

Ophiurella milleri

Ophiurella speciosa

Ophiurella viguieri