original description(ofNeptunea insularis robusta Okutani, 1964)Okutani T. (1964). Report on the archibenthal and abyssal gastropod Mollusca mainly collected from Sagami Bay and adjacent waters by the R.V. Soyo-Maru during the years 1955-1963. <em>Journal of the Faculty of Science, University of Tokyo.</em> section II, 15(3): 371-447, 7 pls.[details] Available for editors [request]
basis of recordFraussen K. & Terryn Y. (2007). The family Buccinidae. Genus <i>Neptunea</i>. <i>In</i>: A Conchological Iconography [Directed by Guido T. Poppe & Klaus Groh]. ConchBooks, Hackenheim. 159 pp., 154 pls. [details]
Present Inaccurate Introduced: alien Containing type locality