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))
Arbacioida
Arbaciidae
Coelopleurus
Coelopleurus undulatus (1974618)
Children (3 direct children, 3 direct and indirect children):
Coelopleurus undulatus undulatus
Coelopleurus undulatus polymorphus
Coelopleurus undulatus ruber