Reference
Martin Haase, Jozef Grego, Zoltan Eröss, Roland Farkas, Zoltan Feher (2021): On the origin and diversifi cation 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 – 0775: 143 - 184.