World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Chama iostoma Conrad, 1837. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=208496 on 2026-08-02
Conrad, T. A. (1837). Description of new marine shells, from Upper California. Collected by Thomas Nuttall, Esq. Journal of the Academy of Natural Sciences, Philadelphia. 7: 227-268, pls 17-20.