- Nakano, T. A new species of Orobdella (Hirudinida, Arhynchobdellida, Orobdellidae) from the Tsukuba Mountains in Japan. Soil Organisms.
- Nakano, T. The original spelling of the specific name of Cybaeus monticolus (Araneae: Cybaeidae) should be reinstated. Species Diversity.
- Sawada, N., Toyohara, H., Nakano, T. A new cleaning method for accurate examination of freshwater gastropod shell specimens covered with iron-rich deposits. Species Diversity.
- Sugawara, Y., Ihara, Y., Nakano, T. The subterranean spider Cybaeus fujisanus (Araneae: Cybaeidae) revisited: the first description of a male from Mt. Fuji, Japan. Journal of Asia-Pacific Biodiversity. DOI: 10.1016/j.japb.2021.06.003