9. Chthonius iugoslavicus Ćurčić, 1972

Distribution in Serbia: Sveta Dupka Cave, village of Gulenovci, near Dimitrovgrad [Ćurčić, 1972a]; Velika Balanica Cave, village of Sićevo, near Niš [Ćurčić, 1988]; Velika Pećina Cave, village of Donja Držina, near Pirot [Ćurčić, 1972a].

World distribution: Serbia [Ćurčić et al., 2004; Harvey, 2013].