Huynh, C. and Veenstra, A. 2026. Four new species of Unixenus Jones, 1944 (Diplopoda: Penicillata: Polyxenidae) from the mid-central coastal region and two islands off the coast of Vietnam. Biologia Serbica. 48, 1 (Sep. 2026), 89–106. DOI:https://doi.org/10.5281/zenodo.22237813.