Fehér, Zoltán, Tamás Deli, Zoltán P. Erőss, and Romilda Lika. “Taxonomic Revision of the Subterranean Genus Virpazaria Gittenberger, 1969 (Gastropoda, Spelaeodiscidae)”. European Journal of Taxonomy, no. 558 (September 26, 2019). Accessed April 24, 2026. https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/765.