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)
Sea urchin (Echinoidea)
Euechinoidea
Echinacea (Echinacea (animal))
Echinoida
Echinometridae

Zenocentrotus (16623882)

Children (3 direct children, 3 direct and indirect children):

Zenocentrotus kellersi

Zenocentrotus paradoxus

Zenocentrotus peregrinus