original description(ofDrillia hecatorguia Verco, 1907)Verco, J. C. (1907). Notes on some South Australian marine Mollusca, with descriptions of new species.- Part VI. <em>Transactions of the Royal Society of South Australia.</em> 31: 213-230, pls 27-28., available online athttps://www.biodiversitylibrary.org/page/16124695 page(s): 215, fig. 2-3 [details]