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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))
Phymosomatoida
Stomechinidae

Psephechinus (23014873)

Children (8 direct children, 8 direct and indirect children):

Psephechinus deslongchampsii

Psephechinus globosus

Psephechinus jauberti

Psephechinus mazetieri

Psephechinus newtoni

Psephechinus nudus

Psephechinus pavyi

Psephechinus renzi