Taxonomia

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

Spatangoida (order)

• familyAeropsidae
• familyBrissidae
• familyEupatagidae
• familyEurypatagidae
• familyHemiasteridae
• familyLoveniidae
• familyMacropneustidae
• familyMaretiidae
• familyMicrasteridae
• familyPalaeostomatidae
• familyPalaeotropidae
• familyPaleopneustidae
• familyPericosmidae
• familyPrenasteridae
• familySchizasteridae
• familySpatangidae