Pilsbry, H. A. (1921). Marine mollusks of Hawaii, XIV-XV. <em>Proceedings of The Academy of Natural Sciences of Philadelphia.</em> 72: 360-383., available online athttp://biodiversitylibrary.org/page/3819815 page(s): 376 [details]
MolluscaBase eds. (2021). MolluscaBase. Epitonium ulu Pilsbry, 1921. Accessed at: http://molluscabase.org/aphia.php?p=taxdetails&id=524573 on 2024-04-19
original descriptionPilsbry, H. A. (1921). Marine mollusks of Hawaii, XIV-XV. <em>Proceedings of The Academy of Natural Sciences of Philadelphia.</em> 72: 360-383., available online athttp://biodiversitylibrary.org/page/3819815 page(s): 376 [details]