1. Azama, Y., & Ishizuka, K. (2018). Three new earthworm species of the genus Amynthas (family Megascolecidae) from northern mountainous part of Okinawajima Island, Japan. Edaphologia, 103, 25–32
2. Blakemore, R. J., Ito, M. T., & Kaneko, N. (2006). Alien earthworms in the Asia/Pacific region with a checklist of species and the first records of Eukerria saltensis (Oligochaeta: Ocnerodrilidae) and Eiseniella tetraedra (Lumbricidae) from Japan, and Pontoscolex corethrurus (Glossoscolecidae) from Okinawa. In F. Koike, M. N. Clout, M. Kawamichi, M. De Poorter, & K. Iwatsuki (Eds.), Assessment and control of biological invasion risks (pp. 173–181). Kyoto, Japan and IUCN, Gland, Switzerland: Shoukadoh Book Sellers
3. Bouckaert, R., Vaughan, T. G., Barido-Sottani, J., Duchêne, S., Fourment, M., Gavryushkina, A., Heled, J., et al. (2019). BEAST 2.5: An advanced software platform for Bayesian evolutionary analysis. PLoS Computational Biology, 15(4), e1006650. https://doi.org/10.1371/journal.pcbi.1006650.
4. Chang, C. H., & Chen, J. H. (2004). A new species of earthworm belonging to the genus Metaphire Sims and Easton 1972 (Oligochaeta: Megascolecidae) from southern Taiwan. Taiwania, 49(4), 219–224
5. Chang, C. H., & Chen, J. H. (2005a). Three new species of octothecate pheretimoid earthworms from Taiwan, with discussion on the biogeography of related species. Journal of Natural History, 39(18), 1469–1482. https://doi.org/10.1080/00222930400004586