21–26 Plagigeyeria zetaprotogona: 21–22 Montenegro, Vitoja Spring 23–24 Albania, Bajzë, Syri i Sheganit Spring 25–26 Albania, Rraps, Vrak Spring; Plagigeyeria cf. zetaprotogona: 27–28 Albania, Dverpte Cave. (photos: Peter Glöer, Jozef Grego).

 
 
  Part of: Grego J, Glöer P, Erőss ZP, Fehér Z (2017) Six new subterranean freshwater gastropod species from northern Albania and some new records from Albania and Kosovo (Mollusca, Gastropoda, Moitessieriidae and Hydrobiidae). Subterranean Biology 23: 85-107. https://doi.org/10.3897/subtbiol.23.14930