Astropyga depressa Gray, 1855 accepted as Astropyga pulvinata (Lamarck, 1816) (original description)
Cidaris annulata Gray, 1855 accepted as Eucidaris tribuloides (Lamarck, 1816) (original description)
Cidaris ornata Gray, 1855 accepted as Prionocidaris baculosa (Lamarck, 1816) (original description)
Cidaris spinulosa Gray, 1855 accepted as Goniocidaris (Goniocidaris) tubaria (Lamarck, 1816) (original description)
Echinometradæ Gray, 1855 accepted as Echinometridae Gray, 1855 (original description)
Echinometridae Gray, 1855 (original description)
Garelia Gray, 1855 accepted as Echinothrix Peters, 1853 (original description)
Garelia aequalis Gray, 1855 accepted as Echinothrix calamaris (Pallas, 1774) (original description)
Garelia clavata Gray, 1855 accepted as Echinothrix calamaris (Pallas, 1774) (original description)
Temnopleurus (Toreumatica) reevesii (Gray, 1855) accepted as Temnopleurus reevesii (Gray, 1855) (original description)
Toreumatica Gray, 1855 accepted as Temnopleurus L. Agassiz, 1841 (original description)
Toreumatica concava Gray, 1855 accepted as Salmaciella dussumieri (L. Agassiz in L. Agassiz & Desor, 1846) (original description)
Toreumatica granulosa Gray, 1855 accepted as Temnopleurus toreumaticus (Leske, 1778) (original description)
Toreumatica hardwickii Gray, 1855 accepted as Temnopleurus hardwickii (Gray, 1855) (original description)
Toreumatica reevesii Gray, 1855 accepted as Temnopleurus reevesii (Gray, 1855) (original description)

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 for Echinometridae Gray, 1855

nom. correct. Bell, 1881 (pro Echinometradae Gray, 1855) [details]