Opinions from T. Wright 1851
- 'Acrosalenia hemicidaroides belongs to Acrosalenia'
- 'Acrosalenia lycetti belongs to Acrosalenia'
- 'Acrosalenia spinosa belongs to Acrosalenia' according to Agassiz 1847
- 'Acrosalenia spinosa belongs to Acrosalenia'
- 'Arbacia forbesii belongs to Arbacia'
- 'Cidaris fowleri belongs to Cidaris'
- 'Cidaris intermedia belongs to Cidaris' according to Fleming 1828
- 'Cidaris intermedia is recombined as Hemicidaris intermedia'
- 'Cidarites blumenbachii belongs to Cidarites' according to Muenster 1826
- 'Cidarites blumenbachii is recombined as Cidaris blumenbachii'
- 'Cidarites propinquus belongs to Cidarites' according to Muenster 1826
- 'Cidarites propinquus is recombined as Cidaris propinqua'
- 'Cidarites pseudodiadema is recombined as Diadema pseudodiadema'
- 'Cidarites pseudodiadema belongs to Cidarites' according to Lamarck 1816
- 'Cidarites subangularis belongs to Cidarites' according to Goldfuss 1826
- 'Cidarites subangularis is recombined as Diadema subangulare'
- 'Diadema depressum belongs to Diadema' according to Agassiz 1846
- 'Diadema depressum belongs to Diadema'
- 'Echinus granularis belongs to Echinus'
- 'Echinus nodulosus belongs to Echinus' according to Goldfuss 1826
- 'Echinus nodulosus is recombined as Arbacia nodulosa'
- 'Echinus perlatus belongs to Echinus' according to Desmarest 1825
- 'Echinus perlatus belongs to Echinus'
- 'Echinus seriale is corrected as Echinus serialis and belongs to Echinus'
- 'Goniopygus perforatus belongs to Goniopygus'
- 'Hemicidaris alpina belongs to Hemicidaris' according to Agassiz 1840
- 'Hemicidaris alpina belongs to Hemicidaris'
- 'Hemicidaris confluens belongs to Hemicidaris' according to M'Coy 1848
- 'Hemicidaris confluens belongs to Hemicidaris'
- 'Hemicidaris granulosa belongs to Hemicidaris'
- 'Hemicidaris icaunensis belongs to Hemicidaris' according to Cotteau 1849
- 'Hemicidaris icaunensis belongs to Hemicidaris'
- 'Pedina rotata belongs to Pedina' according to Agassiz 1840
- 'Pedina rotata belongs to Pedina'