23.216667, 42.083332: 10 Treatments

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Montana macedonica     Ivković, Slobodan, Iorgu, Ștefan, Horvat, Laslo, Chobanov, Dragan, Korsunovskaya, Olga & Heller, Klaus-Gerhard, 2017, New data on the bush-cricket Montana medvedevi (Orthoptera: Tettigoniidae), critically endangered in Europe (EU 28), and a comparison of its song with all known song patterns within the genus, Zootaxa 4263 (3), pp. 527-542 : 537 537
Trechus cardioderus subsp. athonis     Kostova, Rumyana & Bekchiev, Rostislav, 2023, Trechus (s. str.) “ subnotatus ” species group (Coleoptera: Carabidae) in Bulgaria, Zootaxa 5264 (4), pp. 505-525 : 508 508
Micrommata virescens     Jäger, Peter, 2023, Revision of the huntsman spider genus Micrommata Latreille, 1804 (Sparassidae Sparassinae), Zootaxa 5352 (1), pp. 1-45 : 29-37 29-37
Arocatus longiceps     Gao, Cuiqing, Kondorosy, Előd & Bu, Wenjun, 2013, A Review Of The Genus Arocatus From Palaearctic And Oriental Regions (Hemiptera: Heteroptera: Lygaeidae), Raffles Bulletin of Zoology 61 (2), pp. 687-704 : 688-690 688-690
Holocnemus pluchei     Huber, Bernhard A., 2022, Revisions of Holocnemus and Crossopriza: the spotted-leg clade of Smeringopinae (Araneae, Pholcidae), European Journal of Taxonomy 795 (1), pp. 1-241 : 9-29 9-29
Allolobophoridella eiseni     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 100, pp. 1-4 : 2 2
Lumbricus rubellus     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 100, pp. 1-4 : 3 3
Octolasion lacteum     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 100, pp. 1-4 : 3 3
Dendrodrilus rubidus subsp. rubidus     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 100, pp. 1-4 : 2 2
Dendrobaena alpina     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 100, pp. 1-4 : 2 2