the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Echinodermata (phylum)
Echinozoa (superclass)
Echinoidea (class)
Euechinoidea (subclass)
Clypeasteroida (order)
[hide inferior taxa]
Astriclypeus manni (species)
Clypeaster japonicus (species)