Likhitrakarn, N., S. I. Golovatch, and S. Panha. “The Millipede Genus Tylopus Jeekel, 1968 (Diplopoda, Polydesmida, Paradoxosomatidae), With a Key and Descriptions of Eight New Species from Indochina”. European Journal of Taxonomy, no. 195, May 2016, doi:10.5852/ejt.2016.195.