Yokoyama, M. (1927). Fossil Mollusca from Kaga. <em>Journal of the Faculty of Science, Tokyo Imperial University.</em> section 2, 2(4): 165–182, pls 47–49. page(s): 175 [details]
MolluscaBase eds. (2025). MolluscaBase. Littorina incisa Yokoyama, 1927 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1766382 on 2025-05-26
Marine Species Traits editorial board (2025). Marine Species Traits. Littorina incisa Yokoyama, 1927 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1766382 on 2025-05-26
original descriptionYokoyama, M. (1927). Fossil Mollusca from Kaga. <em>Journal of the Faculty of Science, Tokyo Imperial University.</em> section 2, 2(4): 165–182, pls 47–49. page(s): 175 [details]