Traits name details
original description
Newton, R.B. (1915). On some molluscan remains from the opal deposits (Upper Cretaceous) of New South Wales. <em>Proceedings of the Malacological Society of London.</em> 10: 217-235., available online at https://www.biodiversitylibrary.org/page/15715756 page(s): 230-231, pl. 6, figs 2-6 [details]
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