Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Echinodermata
/
• Echinoidea
/
• Spatangoida
/
• Macropneustidae
/
• Phrissocystis

Phrissocystis (genus)

• speciesPhrissocystis aculeata
• speciesPhrissocystis multispina