original description(ofStylifer thomasiae G. B. Sowerby II, 1878)Sowerby, G. B. II. (1878). Monograph of the genus <i>Stylifer</i>. In: <i>Conchologia iconica, or illustrations of the shells of molluscous animals</i>, vol. 20: pls 1-2, unpaginated text. L. Reeve, London [1878, no month date]. , available online athttps://www.biodiversitylibrary.org/page/8230633 page(s): pl. 2, fig. 15 [details]