Yokoyama, M. (1928). Pliocene shells from Hyuga. <em>Journal of the Faculty of Science, Tokyo Imperial University.</em> section 2, 2(7): 331-350, pls 66-67. page(s): 347 [details] Available for editors
MolluscaBase eds. (2025). MolluscaBase. Calliostoma kounjianum Yokoyama, 1928 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1766526 on 2025-09-19
Marine Species Traits editorial board (2025). Marine Species Traits. Calliostoma kounjianum Yokoyama, 1928 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1766526 on 2025-09-19
original descriptionYokoyama, M. (1928). Pliocene shells from Hyuga. <em>Journal of the Faculty of Science, Tokyo Imperial University.</em> section 2, 2(7): 331-350, pls 66-67. page(s): 347 [details] Available for editors
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