A. V. Shavrin, “Review of the genus Omalium Gravenhorst, 1802 (Coleoptera: Staphylinidae: Omaliinae: Omaliini) of Siberia and Far Eastern Russia, with notes on some species from Mongolia and Japan”, Zootaxa, vol. 5646, no. 2, pp. 199–235, Jun. 2025.