This species is known only from a narrow distribution range in Phanom district. D. corythosaurus sp. n. was considered to be endemic for Surat Thani Province, Thailand.
Srisonchai R, Enghoff H, Likhitrakarn N & Panha S. (2018). A revision of dragon millipedes I: genus Desmoxytes Chamberlin, 1923, with the description of eight new species (Diplopoda, Polydesmida, Paradoxosomatidae). <em>Zookeys.</em> (761): 1-177.available online athttp://doi: 10.3897/zookeys.761.24214