MolluscaBase name details
original description
Richling, I. (2004). Classification of the Helicinidae: Review of morphological characteristics based on a revision of the Costa Rican species and application to the arrangement of the Central American mainland taxa (Mollusca: Gastropoda: Neritopsina). <em>Malacologia.</em> 45(2): 195-440., available online at https://biodiversitylibrary.org/page/25129581
page(s): 334-348, figs. 189-209 (fig. 189 holotype) [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]