Shavrin, A. V. A Revision of Eastern Palaearctic Anthobium Leach, 1819 (Coleoptera: Staphylinidae: Omaliinae: Anthophagini). IV. The Atrocephalum and Convexior Groups, and Additional Species of the morchella, nigrum and reflexum Groups. Zootaxa 2020, 4821, 401–434.