MolluscaBase taxon details
original description
(of Bulinus chrysalidiformis G. B. Sowerby I, 1833) Sowerby, G. B. I. (1833-1834). [Characters of new species of shells from the collection formed by Mr. Cuming on the western coast of South America and among the islands of the South Pacific Ocean]. <em>Proceedings of the Zoological Society of London.</em> 1833: 16-22, 34-38 [17 May]; 52-56 [24 May]; 70-74 [20 September]; 82–85 [8 September]; 134-139. [16 April 1834]., available online at https://www.biodiversitylibrary.org/page/12859474
page(s): 37-38 [details]
original description
(of Bulimus ustulatus Jay, 1839) Jay, J. C. (1839). A catalogue of shells, arranged according to the Lamarckian system; together with descriptions of new or rare species, contained in the collection of John C. Jay, M.D. <em>3rd ed. Wiley & Putnam, New York.</em> 1-126, plates 1-10., available online at http://www.biodiversitylibrary.org/item/54059
page(s): 119, pl. 6, fig. 1 [details]