Cidaris fustigera (A. Agassiz, 1963) accepted as Phyllacanthus imperialis (Lamarck, 1816) (source of synonymy)
Cidarites imperialis Lamarck, 1816 accepted as Phyllacanthus imperialis (Lamarck, 1816) (source of synonymy)
Leiocidaris imperialis (Lamarck, 1816) accepted as Phyllacanthus imperialis (Lamarck, 1816) (source of synonymy)
Leiocidaris verticillata (Lamarck, 1816) accepted as Plococidaris verticillata (Lamarck, 1816) (source of synonymy)
Phyllacanthus imperialis (Lamarck, 1816) (additional source)
Plococidaris vertillata accepted as Plococidaris verticillata (Lamarck, 1816) (source of synonymy)
Prionocidaris verticillata (Lamarck, 1816) accepted as Plococidaris verticillata (Lamarck, 1816) (additional source)

Madagascar for Colobocentrotus atratus (Linnaeus, 1758) 
Madagascar for Diadema savignyi (Audouin, 1809) 
Madagascar for Echinodiscus auritus Leske, 1778 
Madagascar for Echinometra mathaei (Blainville, 1825) 
Madagascar for Echinoneus cyclostomus Leske, 1778 
Madagascar for Echinothrix diadema (Linnaeus, 1758) 
Madagascar for Eucidaris metularia (Lamarck, 1816) 
Madagascar for Heterocentrotus mammillatus (Linnaeus, 1758) 
Madagascar for Phyllacanthus imperialis (Lamarck, 1816) 
Madagascar for Plococidaris vertillata 
Madagascar for Stomopneustes variolaris (Lamarck, 1816) 
Madagascar for Tripneustes gratilla (Linnaeus, 1758) 
Mozambican Exclusive Economic Zone for Eucidaris metularia (Lamarck, 1816)