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 krupensis Radoman, 1973 ( Figure 2f, g ) Diagnosis Shell ovate conic conic, apex pointed, whorls tumid, body whorl relatively high and broad, aperture ovoid, peristome continuous, columellar section in a form of callus, outer lip simple, umbilicus closed. Type material Type locality: source of Krupa, the right tributary of the Zrmanja River , Croatia (a subterranean form) . Distribution Endemic to southern Croatia .