Shavrin, A.V. 2024. Review of Hygrogeus Mulsant & Rey, 1880 and Trichodromeus Luze, 1903, with descriptions of three new genera from the eastern Palaearctic Region (Coleoptera: Staphylinidae: Anthophagini: Omaliinae). Zootaxa. 5531, 1 (Oct. 2024), 1–62. DOI:https://doi.org/10.11646/zootaxa.5531.1.1.