Valchovski, H., Misirlioğlu, M., Valchovski, H. and Stojanović, M. 2018. New earthworm records (Clitellata: Lumbricidae) from Bulgaria since 2012. Zootaxa. 4496, 1 (Oct. 2018), 173–174. DOI:https://doi.org/10.11646/zootaxa.4496.1.12.