Department of Ecology and Environmental Conservation, University of Plovdiv, Tzar Assen Str. 24, BG-4000 Plovdiv, Bulgaria.
Dilian Georgiev is in the department of Ecology and Environmental Conservation. He done a research and describe a new stygobiotic species of Belgrandiella from Bulgaria: Chuchura cave near Velchovtsi area of the village of Stantchov Han, Tryavna district, Stara Planina. This is one of the smallest species of this genus known till now in the country.And one of his famous publication is BELGRANDIELLA PETROVI N. SP. – A NEW SPECIES FROM A SPRING CAVE IN BULGARIA (GASTROPODA: HYDROBIIDAE).
Subjects of specialization: Ecology, Environmental Conservation