Shavrin, A. V. “A Revision of the Genus Omalium Gravenhorst, 1802 (Coleoptera: Staphylinidae: Omaliinae) of the Himalayan Region”. Zootaxa, vol. 5369, no. 2, Nov. 2023, pp. 151-06, doi:10.11646/zootaxa.5369.2.1.