Cidaris (Porocidaris) misakiensis Yoshiwara, 1898 accepted as Histocidaris misakiensis (Yoshiwara, 1898) (original description)
Cidaris (Stereocidaris) microtuberculatus Yoshiwara, 1898 accepted as Stereocidaris microtuberculata (Yoshiwara, 1898) (original description)
Cidaris (Stereocidaris) tenuispinus Yoshiwara, 1898 accepted as Phalacrocidaris japonica (Döderlein, 1885) (original description)
Echinarachnius tenuis Yoshiwara, 1898 accepted as Scaphechinus tenuis (Yoshiwara, 1898) (original description)
Echinostrephus pentagonus Yoshiwara, 1898 accepted as Echinostrephus molaris (Blainville, 1825) (original description)
Echinus multicolor Yoshiwara, 1898 accepted as Nudechinus multicolor (Yoshiwara, 1898) (original description)
Fibularia (Fibulariella) acuta Yoshiwara, 1898 accepted as Fibulariella acuta (Yoshiwara, 1898) (original description)
Fibularia acuta Yoshiwara, 1898 accepted as Fibulariella acuta (Yoshiwara, 1898) (original description)
Mespilia levituberculatus Yoshiwara, 1898 accepted as Mespilia globulus (Linnaeus, 1758) (original description)
Plesianthus ogasawaraensis Yoshiwara, 1898 accepted as Clypeaster japonicus Döderlein, 1885 (original description)
Salmacopsis pulchellimus Yoshiwara, 1898 accepted as Mespilia globulus (Linnaeus, 1758) (original description)