original description(ofHelix fragilis G. B. Sowerby I, 1841)Sowerby, G. B. I. (1841). Descriptions of new species of the family Helicidae, collected by Mr. H. Cuming in the Philippine Islands (continuation). <em>Proceedings of the Zoological Society of London.</em> 9: 39-40 [October]., available online athttps://biodiversitylibrary.org/page/30679661 page(s): 40 [details]