Yamasaki, H. 2015. Two new species of Dracoderes (Kinorhyncha: Dracoderidae) from the Ryukyu Islands, Japan, with a molecular phylogeny of the genus. Zootaxa. 3980, 3 (Jun. 2015), 359–378. DOI:https://doi.org/10.11646/zootaxa.3980.3.2.