original description(ofHelix wallacei L. Pfeiffer, 1858)Pfeiffer, L. (1858). Descriptions of eleven new species of land-shells from the collection of H. Cuming, Esq. <em>Proceedings of the Zoological Society of London.</em> 26 (348): 20–23, pl. 40. London [9 March]., available online athttps://www.biodiversitylibrary.org/page/32271454 page(s): 20-21 [details]
basis of recordBollinger, G. (1918). Land-Mollusken von Celebes. Ausbeute der in den Jahren 1902 und 1903 ausgeführten zweiten Celebes-Reise der Herren Dr. P. und Dr. F. Sarasin. <em>Revue Suisse de Zoologie.</em> 26: 309–340., available online athttps://www.biodiversitylibrary.org/page/10702367 page(s): 323 [details]
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