Revkova, T.N. 2020. Two species of the genus Theristus Bastian, 1865 (Nematoda: Xyalidae) from the hypersaline water bodies of the Crimea (Azov-Black Sea basin). Zootaxa. 4881, 2 (Nov. 2020), 372–382. DOI:https://doi.org/10.11646/zootaxa.4881.2.10.