New genus and two new species of stygobiotic snails from Stara Planina Mts, Bulgaria

Two new species, one of them belonging to a new genus are described from two caves in North Bulgaria. Polatenia sinuiapertura n. gen. and n. sp. was found in sand deposits at the entrance of Izvora Cave, Polaten District of Teteven Town, and Kolevia toplensis n. sp. found at the water catchment near Toplya Cave at vicinity of village of Golyama Zhelyazna.