original description(ofClathurella gainesii Pilsbry, 1895)Pilsbry, H. A. (1895). <i>Catalogue of the marine shells of Japan with descriptions of new species and notes on others collected by Frederick Stearns</i>. F. Stearns, Detroit, viii + 196 pp, 11 pls., available online athttp://www.biodiversitylibrary.org/item/41228 page(s): 20, pl. 2, fig. 4 [details]