additional sourceBeu, A. G. (2011). Marine Molluscs of oxygen isotope stages of the last 2 million years in New Zealand. Part 4. <em>Gastropoda (Ptenoglossa, Neogastropoda, Heterobranchia). Journal of the Royal Society of New Zealand.</em> 41: 1-153., available online athttps://doi.org/10.1080/03036758.2011.548763[details]
additional sourceBrown L.G. & Neville B.D. (2015). Catalog of the recent taxa of the families Epitoniidae and Nystiellidae (Mollusca: Gastropoda) with a bibliography of the descriptive and systematic literature. <em>Zootaxa.</em> 3907(1): 1-188., available online athttps://doi.org/10.11646/zootaxa.3907.1.1[details] Available for editors
additional sourceKilburn R.N. (1985). The family Epitoniidae (Mollusca: Gastropoda) in southern Africa and Mozambique. <em>Annals of the Natal Museum.</em> 27(1): 239-337., available online athttp://www.vliz.be/imisdocs/publications/216603.pdf? page(s): 252 [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality