original description
Murdoch, R. (1905). Additions to the marine Mollusca of New Zealand. <em>Transactions and Proceedings of the New Zealand Institute.</em> 37: 217-232, pls 7-8., available online at https://www.biodiversitylibrary.org/page/3742970
page(s): 229-230; plate VIII, fig. 28 [details]
additional source
Boreham, A. (1959). Biological type specimens in the New Zealand Geological Survey. I. Recent Mollusca. <em>New Zealand Geological Suvey Paleontological Bulletin.</em> 30: 1-75.
page(s): 33 [details]
From editor or global species database