Classification
Animalia [kingdom]Echinodermata [phylum]
Echinoidea [class]
Spatangoidea [order]
Amphisternata [suborder]
Spatangidae [family]
Echinocardium [genus]
Genus Echinocardium bevat de volgende taxa:
Echinocardium cordatum [species]
Echinocardium flavescens [species]