MolluscaBase taxon details
original description
Preston, H. B. (1903). Supposed new species of <i>Helicina</i> and <i>Bulimulus</i> from Costa Rica. <em>Journal of Malacology.</em> 10: 4., available online at https://www.biodiversitylibrary.org/page/16099405
page(s): 4 (with text figure) [details]
additional source
Richling, I. & Glaubrecht, M. (2008). The types of Neotropical Helicinidae (Mollusca, Gastropoda, Neritopsina) in the Malacological Collection of the Museum für Naturkunde Berlin: an annotated catalogue, with emphasis on Cuban land snails. <em>Zoosystematics and Evolution.</em> 84 (2): 265-310, Berlin. [details]