Assing, V. (2001). On the systematics and distribution of Porocallus Sharp, 1888 (Coleoptera: Staphylinidae, Aleocharinae, Oxypodini). Contributions to Entomology = Beiträge Zur Entomologie, 51(1), 215-221. https://doi.org/10.21248/contrib.entomol.51.1.215-221