A case of biodiversity overestimation in the Balkan Belgrandiella A. J. Wagner, 1927 (Caenogastropoda: Hydrobiidae): molecular divergence not paralleled by high morphological variation Author Osikowski, Artur Author Hofman, Sebastian Author Rysiewska, Aleksandra Author Sket, Boris Author Prevorčnik, Simona Author Falniowski, Andrzej text Journal of Natural History 2018 2018-02-06 52 5 - 6 323 344 http://dx.doi.org/10.1080/00222933.2018.1424959 journal article 10.1080/00222933.2018.1424959 1464-5262 5178219 Belgrandiella zermanica Radoman, 1973 ( Figure 2d, e ) Diagnosis Shell elongate conic, narrow, apex pointed, spire high, whorls tumid, body whorl relatively low, aperture ovoid, low and narrow, peristome continuous, umbilicus closed. Type material Type locality: the Zrmanja river , above JankoviĆa buk (waterfall) (freshwater part of the river), Croatia . Distribution Endemic to Croatia .