Korsós, Z., Nakamura, Y. and Tanabe, T. 2011. Two new millipede species of the genus Riukiaria (Diplopoda, Polydesmida, Xystodesmidae) endemic to the Ryukyu Archipelago, Japan. Zootaxa. 2877, 1 (May 2011), 55–68. DOI:https://doi.org/10.11646/zootaxa.2877.1.3.