original description
(of Helicina spinifera L. Pfeiffer, 1855) Pfeiffer, L. (1855). Descriptions of thirty-eight new species of land shells, from the collection of H. Cuming. <em>Proceedings of the Zoological Society of London.</em> 23 (291): 111–119. London [13 August]., available online at https://www.biodiversitylibrary.org/page/30748004
page(s): 118 [details]
original description
(of Helicina spinifera var. guadalcanarensis Ancey, 1890) Ancey, C. F. (1890). Description d'un mollusque nouveau. <em>Le Naturaliste.</em> ser. 2, 4 (no. 85): 216-217., available online at https://www.biodiversitylibrary.org/page/6681499
page(s): 216 [details]
basis of record
Delsaerdt, A.G.J. (2016). <i>Land snails on the Solomon Islands</i>. Vol. III. <i>Trochomorphidae and systematical review of all other families</i>. Ancona: L'Informatore Piceno. 160 pp, 10 pls.
page(s): 46 [details]
additional source
Rensch, I. (1937). Systematische und tiergeographische Untersuchungen über die Landschneckenfauna des Bismarck-Archipels II. <em>Archiv für Naturgeschichte, Neue Folgen.</em> 6: 526-644.
page(s): 609 [details] Available for editors [request]
From editor or global species database