Fehér, Zoltán, Tamás Deli, Zoltán P. Erőss, and Romilda Lika. 2019. “Taxonomic Revision of the Subterranean Genus Virpazaria Gittenberger, 1969 (Gastropoda, Spelaeodiscidae)”. European Journal of Taxonomy, no. 558 (September). https://doi.org/10.5852/ejt.2019.558.