MolluscaBase name details
original description
(of Helicina pachystoma E. A. Smith, 1896) Smith, E. A. (1896). On some land shells from New Guinea and other neighbouring islands, with descriptions of new species. <em>Journal of Malacology.</em> 5(2): 17-32., available online at https://biodiversitylibrary.org/page/16099881
page(s): 21-22, pl. 2, fig. 14. [details]
basis of record
Thiele, J. (1928). Mollusken vom Bismarck-Archipel, von Neu-Guinea und Nachbar-Inseln. <em>Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere.</em> 55: 119-146, text-fig. 1, pl. 5. Jena.
page(s): 120 [details]