Haase, Martin, Jozef Grego, Zoltán Péter Erőss, Roland Farkas, and Zoltán Fehér. 2021. “On the Origin and Diversification of the Stygobiotic Freshwater Snail Genus Hauffenia (Caenogastropoda: Hydrobiidae) With Special Focus on the Northern Species and the Description of Two New Species”. European Journal of Taxonomy 775 (1):143–184. https://doi.org/10.5852/ejt.2021.775.1555.