Cidaris (Cidaris) baculosa brevicollis de Meijere, 1904 accepted as Stylocidaris brevicollis (de Meijere, 1904) (original description)
Cidaris (Cidaris) glandulosa De Meijere, 1904 accepted as Prionocidaris glandulosa (De Meijere, 1904) (original description)
Cidaris (Discocidaris) hirsutispinus de Meijere, 1904 accepted as Cidaris (Discocidaris) hirsutispina de Meijere, 1904 accepted as Rhopalocidaris hirsutispina (de Meijere, 1904) (original description)
Cidaris (Petalocidaris) fimbriata de Meijere, 1904 accepted as Goniocidaris (Aspidocidaris) fimbriata (de Meijere, 1904) (original description)
Clypeaster rarispinus de Meijere, 1903 (original description)
Genocidaris decipiens de Meijere, 1904 accepted as Temnopleurus decipiens (de Meijere, 1904) (original description)
Laganum anale de Meijere, 1904 accepted as Peronella analis (de Meijere, 1904) (original description)
Laganum conicum de Meijere, 1904 accepted as Laganum fudsiyama Döderlein, 1885 (original description)
Laganum minutum de Meijere, 1904 accepted as Peronella minuta (de Meijere, 1904) (original description)
Laganum solidum de Meijere, 1904 accepted as Laganum fudsiyama Döderlein, 1885 (original description)
Pleurechinus reticulatus Mortensen in de Meijere, 1904 accepted as Temnotrema reticulatum (Mortensen in de Meijere, 1904) (original description)
Sperosoma quincunciale de Meijere, 1904 (original description)
Tromikosoma mordens de Meijere, 1904 accepted as Tromikosoma tenue (A. Agassiz, 1879) (original description)

 Authority

 for Pleurechinus reticulatus Mortensen in de Meijere, 1904

De Meijere sent specimens of Pleurechinus to Theodor Mortensen for identification and cites a letter of the latter ... [details]

 Status

 for Cidaris (Discocidaris) hirsutispinus de Meijere, 1904

Generic assignment indicated as uncertain by de Meijere, 1904. [details]