Ballarin, F., Pantini, P. and Gobbi, M. 2018. Elevation to species level and redescription of Xysticus alpinus Kulczyński, 1887 stat. n. (Araneae, Thomisidae). Zootaxa. 4500, 2 (Oct. 2018), 271–280. DOI:https://doi.org/10.11646/zootaxa.4500.2.7.