MolluscaBase taxon details
original description
(of Helicina hjalmarsoni L. Pfeiffer, 1856) Pfeiffer, L. (1856). Diagnosen neuer Landschnecken. <em>Malakozoologische Blätter. Cassel (Theodor Fischer).</em> 3 (12): 43-48 [April 1856]; 3 (13): 49-52 [Juli 1856]; 3 (16): 206-209 [Dezember 1856]., available online at https://www.biodiversitylibrary.org/page/15865010
page(s): 50 [details]
additional source
van der Schalie, H. (1948). The land and fresh-water mollusks of Puerto Rico. <em>Museum of Zoology, University of Michigan, Miscellaneous Publications.</em> no. 70: 1-134. (Ann Arbor).
page(s): 19-20, pl. 1, fig. 2 [details] Available for editors [request]
status 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]