1. Agematsu-Watanabe, S. and Kamata, Y. (2018) Recent progress in Paleozoic–Mesozoic microfossil research in deep-sea sediments of Japanese accretionary complexes: current status and future direction on study of radiolarians and conodonts. The Journal of the Geological Society of Japan, 124, 951–965. (in Japanese with English abstract). 10.5575/geosoc.2018.0068
2. Akazawa, K. (1993) Stratigraphy of the Permian–Triassic transition and the Paleozoic/Mesozoic boundary. Bulletin of the Geological Survey of Japan, 44, 425–445. (in Japanese with English abstract).
3. Aoya, M., Noda, A., Mizuno, K., Mizukami, T., Miyachi, Y., Matsuura, H., Endo, S., Toshimitsu, S. and Aoki, M. (2013) Geology of the Niihama district. Quadrangle Series, 1:50,000, Geological Survey of Japan, AIST, 181p. (in Japanese with English abstract).
4. Aoya, M. and Yokoyama, S. (2009) Geology of the Hibihara district. Quadrangle Series, 1:50,000, Geological Survey of Japan, AIST, 75p. (in Japanese with English abstract).
5. Marine geological mapping project in the Okinawa area