additional sourceMcLean J.H. (1996). The Prosobranchia. In: Blake, J.A., & P.H. Scott (eds.), <i>Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. The Mollusca Part 2 – The Gastropoda.</i> Santa Barbara Museum of Natural History. volume 9: 1-160., available online athttps://books.google.fr/books?id=MMdJAQAAIAAJ note: treated as synonym of E. berryi[details]
status sourceBrown L.G. (2019). A new species of Epitoniidae (Mollusca: Gastropoda) from the northeast Pacific. <em>Zoosymposia.</em> 13: 154-156., available online athttp://dx.doi.org/10.11646/zoosymposia.13.1.17 page(s): 156, fig. 5 [details]