Traits taxon details
original description
(of Drymaeus surinamensis Vernhout, 1914) Vernhout, J. H. (1914). The non-marine molluscs of Surinam. <em>Notes from the Leyden Museum.</em> 36: 1-46, pls. 1-2., available online at https://www.biodiversitylibrary.org/page/14021311 page(s): 13, 40, 42, pl. 1, fig. 3 [details]
original description
(of ) Pfeiffer, L. (1855 ["1854"]). Descriptions of fifty-seven new species of Helicea, from Mr. Cuming's collection. <em>Proceedings of the Zoological Society of London.</em> 22(277): 286–288; 22(278): 289–298 [8 May 1855]., available online at https://biodiversitylibrary.org/page/30747711 page(s): 291 [details] 
basis of record
Simone, L. R. L. (2006). <i>Land and Freshwater Molluscs of Brazil</i>. Editora Gráfica Bernardi, FAPESP. São Paulo, 390 pp. [details]
additional source
Gargominy, O.; Fontaine, B.; Tercerie, S.; Zuccon, D. (2025). New species and new records of families, genera and species of land snails (Mollusca, Gastropoda) from French Guiana. <em>ZooKeys.</em> 1230: 155-194., available online at https://doi.org/10.3897/zookeys.1230.133585 page(s): 175, fig. 14 [details] Available for editors 
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