Indzhov, S., V. Haynadzhieva, V. Střeštík, D. Dimitrov, and D. Dimitrov. “We Have Two of Them: A Review of the Genus Mastigusa (Araneae: Cybaeidae) in Bulgaria”. Zootaxa, vol. 5711, no. 4, Oct. 2025, pp. 579-88, doi:10.11646/zootaxa.5711.4.7.