MolluscaBase name details
original description
(of Spiraxis bistorta L. Pfeiffer, 1855) Pfeiffer, L. (1855 ["1854"]). Descriptions of fifty-seven new species of Helicea, from Mr. Cuming's collection. <em>Proceedings of the Zoological Society of London.</em> 22(277): 286–288; 22(278): 289–298 [8 May 1855]., available online at https://biodiversitylibrary.org/page/30747711
page(s): 293 [details]
new combination reference
Pilsbry, H. A. (1906-1907). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 18: Achatinidae: Stenogyrinae and Coeliaxinae. pp i-xiii, 1-357, pls 1-51. Philadelphia, published by the Conchological Department, Academy of Natural Sciences. [pp. 1-64, pls. 1-10, Jan. 20, 1906; pp. 65-160, pls. 11-20, Apr. 10, 1906; pp. 161-272, pls. 21-34, Oct. 2, 1906; pp. 273-357, i-xii, pls. 35-51, Jan. 25, 1907]. , available online at https://www.biodiversitylibrary.org/page/1099785
page(s): 233 [details]