21. Belgrandiella bumasta Schütt, 1960

Findings in Serbia.

Belgrandiella bumasta: Schütt (1960); Bole (1967); Jovanović (1995).

Morphology. Minute snails, conical shell up to 2 mm high. More details in Schütt (1960: 151, fig. 6).

Distribution and ecology. Balkan endemic species. The snail inhabits subterranean waters and springs. In Serbia, found only in Rugovska klisura Canyon (Peć Municipality, KiM).

Other remarks. This snail is one of the easternmost species of the western-Balkan/Dinaric endemic genus (Boeters et al. 2017 a; 2017 b). On the IUCN Red List of threatened species this taxon has been assessed as DD (Seddon 2011 a). The species is protected on national level (Annex 1-strictly protected species; Official Gazette of RS 5/2010, 47/2011, 32/2016, 98/2016).