MolluscaBase taxon details
original description
Strong, A. M. & Hertlein, L. G. (1937). The Templeton Crocker Expedition of the California Academy of Sciences, N° 35. New species of Recent mollusks from the coast of western North America. <em>Proceedings of the California Academy of Science.</em> (4) 22 (6): 159-178, pls 34-35., available online at https://www.biodiversitylibrary.org/page/3180907 [details]
original description
(of Epitonium (Nitidiscala) willetti A. M. Strong & Hertlein, 1937) Strong, A. M. & Hertlein, L. G. (1937). The Templeton Crocker Expedition of the California Academy of Sciences, N° 35. New species of Recent mollusks from the coast of western North America. <em>Proceedings of the California Academy of Science.</em> (4) 22 (6): 159-178, pls 34-35., available online at https://www.biodiversitylibrary.org/page/3180907 [details]
From other sources
Subgenus (Perlucidiscala) [details]