Cichocka, J.M., Bielecki, A., Kur, J., Pikuła, D., Kilikowska, A. & Biernacka, B. (2015) A new leech species (Hirudinida: Erpobdellidae: Erpobdella) from a cave in the West Azerbaijan province of Iran. Zootaxa, 4013 (3), 413–427.