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)
Bothriocidaroida

Bothriocidaridae (21291056)

Children (3 direct children, 10 direct and indirect children):

Bothriocidaris (tree size 7)

Neobothriocidaris

Unibothriocidaris