World Register of Marine Species (WoRMS)
Ctenoides concentricus (G. B. Sowerby III, 1888)
MolluscaBase eds. (2026). MolluscaBase. Ctenoides concentricus (G. B. Sowerby III, 1888). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=528702 on 2026-08-02
Sowerby, G. B. III. (1888). Description of sixteen new species of shells. Proceedings of the Zoological Society of London. 1888: 207-213, pl. 11.
Sowerby, G. B. III. (1914). Descriptions of fifteen new Japanese marine Mollusca. Annals and Magazine of Natural History. series 8, 14: 33-39, pl. 2.