the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Echinodermata (phylum)
Echinozoa (superclass)
Echinoidea (class)
Euechinoidea (subclass)
Phymosomatoida (order)
[hide inferior taxa]
Glyptocidaris crenularis (species)
Stomopneustes variolus (species)