Opinions from A. B. Smith 2015
- 'Abelleicidaris is a subjective synonym of Plegiocidaris'
- 'Acroechinoidea was reranked as a superorder and belongs to Euechinoidea'
- 'Anisocidaridae is a subjective synonym of Polycidaridae'
- 'Anisocidaris belongs to Polycidaridae'
- 'Aspidodiadematoida belongs to Acroechinoidea'
- 'Aspidodiademinae was reranked as the family Aspidodiadematidae and belongs to Aspidodiadematoida'
- 'Caenocidaris belongs to Paracidaridae'
- 'Callaudicidaris is a subjective synonym of Rhabdocidaris'
- 'Chesniericidaris is a subjective synonym of Paracidaris'
- 'Cidaridae is corrected as Cidaroida and belongs to Cidaroidea'
- 'Cidaridea belongs to Cidaroida'
- 'Cidaris bajociensis belongs to Cidaris' according to Cotteau 1875
- 'Cidaris bajociensis is recombined as Anisocidaris bajociensis'
- 'Cidaris bathonica belongs to Cidaris' according to Cotteau 1875
- 'Cidaris bathonica is recombined as Anisocidaris bathonica'
- 'Cidaris bouchardii belongs to Cidaris' according to Wright 1851
- 'Cidaris bouchardii is recombined as Anisocidaris bouchardii'
- 'Cidaris bradfordensis belongs to Cidaris' according to Wright 1857
- 'Cidaris bradfordensis is recombined as Plegiocidaris bradfordensis'
- 'Cidaris caumonti belongs to Cidaris' according to Cotteau 1875
- 'Cidaris caumonti is a subjective synonym of Anisocidaris bouchardii'
- 'Cidaris confluens belongs to Cidaris' according to Forbes 1856
- 'Cidaris confluens is a subjective synonym of Polycidaris spinulosa'
- 'Cidaris copeoides belongs to Cidaris' according to Agassiz 1846
- 'Cidaris copeoides is recombined as Laurenticidaris copeoides'
- 'Cidaris crossei belongs to Cidaris' according to Cotteau 1875
- 'Cidaris crossei is a subjective synonym of Procidaris lobatum'
- 'Cidaris edwardsii belongs to Cidaris' according to Wright 1854
- 'Cidaris edwardsii is recombined as Procidaris edwardsii'
- 'Cidaris florigemma belongs to Cidaris' according to Phillips 1829
- 'Cidaris florigemma is recombined as Paracidaris florigemma'
- 'Cidaris fowleri is recombined as Rhabdocidaris fowleri'
- 'Cidaris horrida belongs to Cidaris' according to Agassiz 1840
- 'Cidaris horrida is recombined as Rhabdocidaris horrida'
- 'Cidaris ilminsterensis belongs to Cidaris' according to Wright 1857
- 'Cidaris ilminsterensis is recombined as Polycidaris ilminsterensis'
- 'Cidaris legayi belongs to Cidaris' according to Sauvage and Rigaux 1873
- 'Cidaris legayi is recombined as Polycidaris legayi'
- 'Cidaris martini belongs to Cidaris' according to Cotteau 1860
- 'Cidaris martini is a subjective synonym of Panniericidaris moraldina'
- 'Cidaris moorei belongs to Cidaris' according to Wright 1858
- 'Cidaris moorei is a subjective synonym of Polycidaris ilminsterensis'
- 'Cidaris moraldina belongs to Cidaris' according to Cotteau 1849
- 'Cidaris moraldina is recombined as Panniericidaris moraldina'
- 'Cidaris pustulata belongs to Cidaris' according to Wright 1861
- 'Cidaris pustulata is a subjective synonym of Diplocidaris wrightii'
- 'Cidaris saemanni is recombined as Plegiocidaris saemanni'
- 'Cidaris saemanni belongs to Cidaris' according to Cotteau 1857
- 'Cidaris smithii belongs to Cidaris' according to Wright 1857
- 'Cidaris smithii is recombined as Anisocidaris smithii'
- 'Cidaris trouvillensis belongs to Cidaris' according to Cotteau 1876
- 'Cidaris trouvillensis is a subjective synonym of Anisocidaris bathonica'
- 'Cidaris wrightii belongs to Cidaris' according to Desor 1855
- 'Cidaris wrightii is recombined as Paracidaris wrightii'
- 'Cidaris yeovilensis belongs to Cidaris' according to Wright 1858
- 'Cidaris yeovilensis is a nomen dubium'
- 'Cidaris zschokkei belongs to Cidaris' according to Cotteau 1875
- 'Cidaris zschokkei is recombined as Anisocidaris zschokkei'
- 'Cidarites spinulosa belongs to Cidarites' according to Roemer 1836
- 'Cidarites spinulosa is recombined as Polycidaris spinulosa'
- 'Cidaroidea was reranked as a subclass and belongs to Echinoidea'
- 'Couvelardicidaris belongs to Miocidaridae'
- 'Culozoma belongs to Aspidodiadematidae'
- 'Culozoma baroini belongs to Culozoma' according to Vadet and Slowik 2001
- 'Culozoma baroini belongs to Culozoma'
- 'Diademopsis belongs to Pedinidae'
- 'Dickesicidaris is a subjective synonym of Rhabdocidaris'
- 'Diplocidaridae belongs to Cidaroida'
- 'Diplocidaris belongs to Diplocidaridae'
- 'Diplocidaris desori belongs to Diplocidaris' according to Wright 1857
- 'Diplocidaris desori is a nomen dubium'
- 'Diplocidaris wrightii belongs to Diplocidaris' according to Desor 1855
- 'Diplocidaris wrightii is a nomen dubium'
- 'Echinopsis smithii belongs to Echinopsis' according to Forbes 1856
- 'Echinopsis smithii is a subjective synonym of Pseudopedina divionensis'
- 'Echinothurideae is corrected as Echinothurioida and belongs to Euechinoidea'
- 'Echinus divionensis belongs to Echinus' according to Michelin 1854
- 'Echinus divionensis is recombined as Pseudopedina divionensis'
- 'Echinus seriale belongs to Echinus' according to Agassiz 1838
- 'Echinus seriale is recombined as Diademopsis serialis'
- 'Eosalenia is a subjective synonym of Plesiodiadema'
- 'Eosalenia miranda belongs to Eosalenia' according to Lambert 1905
- 'Eosalenia miranda is a subjective synonym of Plesiodiadema jessoni'
- 'Euechinoidea belongs to Echinoidea'
- 'Goniopygus perforatus is recombined as Hemipedina perforata'
- 'Gymnotiara belongs to Aspidodiadematidae'
- 'Hectopedina is a subjective synonym of Pedina'
- 'Hemipedina belongs to Pedinidae'
- 'Hemipedina bathonica belongs to Hemipedina' according to Cotteau 1882
- 'Hemipedina bathonica is a subjective synonym of Hemipedina woodwardii'
- 'Hemipedina beaugrandi belongs to Hemipedina' according to Rigaux 1882
- 'Hemipedina beaugrandi belongs to Hemipedina'
- 'Hemipedina bechei belongs to Hemipedina' according to Wright 1855
- 'Hemipedina bechei is a subjective synonym of Diademopsis serialis'
- 'Hemipedina bonei belongs to Hemipedina' according to Wright 1855
- 'Hemipedina bonei is recombined as Diademopsis bonei'
- 'Hemipedina bouchardii belongs to Hemipedina' according to Wright 1858
- 'Hemipedina bouchardii is a subjective synonym of Phymopedina marchamensis'
- 'Hemipedina bowerbankii belongs to Hemipedina' according to Wright 1855
- 'Hemipedina bowerbankii is a subjective synonym of Diademopsis serialis'
- 'Hemipedina chalmasi belongs to Hemipedina' according to Cotteau 1883
- 'Hemipedina chalmasi is a subjective synonym of Hemipedina ferryi'
- 'Hemipedina corallina belongs to Hemipedina' according to Wright 1858
- 'Hemipedina corallina is recombined as Pelanechinus corallinus'
- 'Hemipedina cunningtoni belongs to Hemipedina' according to Wright 1855
- 'Hemipedina cunningtoni is a nomen dubium'
- 'Hemipedina davidsoni belongs to Hemipedina' according to Wright 1855
- 'Hemipedina davidsoni is recombined as Diademopsis davidsoni'
- 'Hemipedina ferryi belongs to Hemipedina' according to Cotteau 1860
- 'Hemipedina ferryi belongs to Hemipedina'
- 'Hemipedina icaunensis belongs to Hemipedina' according to Cotteau 1883
- 'Hemipedina icaunensis is a subjective synonym of Hemipedina woodwardii'
- 'Hemipedina jardinii belongs to Hemipedina' according to Wright 1855
- 'Hemipedina jardinii belongs to Hemipedina'
- 'Hemipedina marchamensis belongs to Hemipedina' according to Wright 1855
- 'Hemipedina marchamensis is recombined as Phymopedina marchamensis'
- 'Hemipedina microgramma belongs to Hemipedina' according to Wright 1858
- 'Hemipedina microgramma is recombined as Diademopsis microgramma'
- 'Hemipedina morrisii belongs to Hemipedina' according to Wright 1855
- 'Hemipedina morrisii is a nomen dubium'
- 'Hemipedina perforata pisolitica is a subjective synonym of Hemipedina ferryi'
- 'Hemipedina perforata pisolitica belongs to Hemipedina perforata' according to Paris 1908
- 'Hemipedina tetragramma belongs to Hemipedina' according to Wright 1855
- 'Hemipedina tetragramma is recombined as Diademopsis tetragramma'
- 'Hemipedina tomesii belongs to Hemipedina' according to Wright 1861
- 'Hemipedina tomesii is a subjective synonym of Diademopsis serialis'
- 'Hemipedina tuberculosa belongs to Hemipedina' according to Wright 1855
- 'Hemipedina tuberculosa belongs to Hemipedina'
- 'Hemipedina waterhousei is a subjective synonym of Diademopsis tetragramma'
- 'Hemipedina waterhousei belongs to Hemipedina' according to Wright 1855
- 'Hemipedina woodwardii belongs to Hemipedina' according to Wright 1855
- 'Hemipedina woodwardii belongs to Hemipedina'
- 'Heterocidaridae belongs to Cidaroida'
- 'Heterocidaris belongs to Heterocidaridae'
- 'Heterocidaris wickensis belongs to Heterocidaris' according to Wright 1861
- 'Heterocidaris wickensis belongs to Heterocidaris'
- 'Heteroechinus is an objective synonym of Heterocidaris'
- 'Laurenticidaris belongs to Rhabdocidaridae'
- 'Megapedina is a subjective synonym of Pedina'
- 'Miocidaridae belongs to Cidaroida'
- 'Miocidaris tenuispina belongs to Miocidaris' according to Mortensen 1934
- 'Miocidaris tenuispina is a subjective synonym of Procidaris lobatum'
- 'Nenoticidaridae is a subjective synonym of Polycidaridae'
- 'Nenoticidaris is a subjective synonym of Anisocidaris'
- 'Panniericidaris belongs to Miocidaridae'
- 'Paracidaridae belongs to Cidaroida'
- 'Paracidaris belongs to Paracidaridae'
- 'Pedina belongs to Pedinidae'
- 'Pedina bakeri belongs to Pedina' according to Wright 1854
- 'Pedina bakeri is recombined as Pseudopedina bakeri'
- 'Pedina etheridgii belongs to Pedina' according to Wright 1854
- 'Pedina etheridgii is recombined as Hemipedina etheridgii'
- 'Pedina granulosa belongs to Pedina' according to Agassiz 1847
- 'Pedina granulosa belongs to Pedina'
- 'Pedina salteri belongs to Pedina' according to de Loriol 1871
- 'Pedina salteri belongs to Pedina'
- 'Pediniens was reranked as the family Pedinidae and belongs to Pedinoida'
- 'Pedinina was reranked as the order Pedinoida and belongs to Acroechinoidea'
- 'Pelanechinidae belongs to Echinothurioida'
- 'Pelanechinus belongs to Pelanechinidae'
- 'Pelanodiadema is a subjective synonym of Pelanechinus'
- 'Phymopedina belongs to Pedinidae'
- 'Plegiocidaris belongs to Cidaridea'
- 'Plesiodiadema belongs to Aspidodiadematidae'
- 'Polycidaridae belongs to Cidaroida'
- 'Polycidaris belongs to Polycidaridae'
- 'Procidaris belongs to Miocidaridae'
- 'Pseudodiadema dumortieri belongs to Pseudodiadema' according to Cotteau 1881
- 'Pseudodiadema dumortieri is recombined as Gymnotiara dumortieri'
- 'Pseudodiadema jessoni is recombined as Plesiodiadema jessoni'
- 'Pseudodiadema jessoni belongs to Pseudodiadema' according to Gregory 1896
- 'Pseudodiadema lobatum belongs to Pseudodiadema' according to Wright 1861
- 'Pseudodiadema lobatum is recombined as Procidaris lobatum'
- 'Pseudopedina belongs to Pelanechinidae'
- 'Pseudopedina nodoti belongs to Pseudopedina' according to Cotteau 1858
- 'Pseudopedina nodoti is a subjective synonym of Pseudopedina divionensis'
- 'Rabdocidaris thurmanni belongs to Rabdocidaris' according to de Loriol 1872
- 'Rabdocidaris thurmanni is recombined as Rhabdocidaris thurmanni' according to Whidborne 1883
- 'Rhabdocidaridae belongs to Cidaroida'
- 'Rhabdocidaris [misspelled as Rabdocidaris] belongs to Cidaridae' according to de Loriol 1872
- 'Rhabdocidaris belongs to Rhabdocidaridae'
- 'Rhabdocidaris thurmanni regens belongs to Rhabdocidaris thurmanni' according to Whidborne 1883
- 'Rhabdocidaris thurmanni regens is a subjective synonym of Laurenticidaris copeoides'
- 'Soudetaster is a subjective synonym of Pseudopedina'
- 'Soudetaster martinezae belongs to Soudetaster' according to Vadet et al. 2011
- 'Soudetaster martinezae is a subjective synonym of Pseudopedina bakeri'