Traits taxon details
original description
(of ) Harris, G. F. (1897). Catalogue of Tertiary Mollusca in the Department of Geology, British Museum (Natural History). Part I. The Australasian Tertiary Mollusca. London: British Museum (Natural History). xxvi + 406 pp., 6 pls. , available online at https://www.biodiversitylibrary.org/page/8400745#page/7/mode/1up page(s): 44, pl. 3, figs 4a, b. [details]
additional source
Darragh, T. A. (2024). A checklist of Australian marine Cenozoic Mollusca. <em>Memoirs of Museum Victoria.</em> 83: 37-206. page(s): 133; note: as optatus [details] Available for editors 
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