Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Starfish (Asteroidia)
Velatida
Pterasteridae
Pteraster
Pteraster obscurus (2242317)
Children (2 direct children, 2 direct and indirect children):
Pteraster obscurus obscurus
Pteraster obscurus ornatus