Requested reference
Ihara, Y., Koike, N. & Nakano, T. (2021). Integrative taxonomy reveals multiple lineages of the spider genus Cybaeus endemic to the Ryukyu Islands, Japan (Arachnida: Araneae: Cybaeidae). Invertebrate Systematics 35(2): 216-254. doi:10.1071/IS20070 -- Show included taxa