original description
(of Helix silenus Angas, 1873) Angas, G. F. (1873). Descriptions of eight new species of land and marine shells from various localities. <em>Proceedings of the Zoological Society of London.</em> 1873: 182-184 [June 1873]., available online at https://www.biodiversitylibrary.org/page/28504393
page(s): 182, pl. 20, fig. 2 [details]
basis of record
Gude, G. K. (1906). Critical remarks on certain forms of <i>Chloritis</i> with descriptions of twelve new species. <em>Proceedings of the Malacological Society of London.</em> 7: 40-50, pls. 4-5., available online at https://www.biodiversitylibrary.org/page/15797476
page(s): 47, pl. 4, fig. 6 [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): 536 [details] Available for editors [request]
From editor or global species database