Reference
Alexey V. Shavrin, Ales Smetana (2017): A new species group of the genus Olophrum ERICHSON, 1839 from China, with description of three new species (Coleoptera: Staphylinidae: Omaliinae: Anthophagini) – Koleopterologische Rundschau – 87_2017: 229 - 238.