Ng, T. H.; Srisonchai, R.; Golovatch, S. I.; Sutcharit, C.; Panha, S.; Latim, M.; Likhitrakarn, N. A Taxonomic Study of Millipede Genera, Orangutana Golovatch, 1996 and Gigantomorpha Jeekel, 1963 (Diplopoda, Polydesmida, Paradoxosomatidae), With Description of Four New Species from Sabah, Borneo, East Malaysia. EJT 2025, 987, 221–248.