Research theme for competitive and other funds (1)：
地質古生物学・付加体地質学
Papers (3)：
Osamu Takahashi, Takumi Maekawa, Paulian Dumitrica, Phong Duc Nguyen, Toshifumi Komatsu. Latentifistularia and other radiolarian species from the lower Smithian (Lower Triassic) Lang Son Formation, NE Vietnam. Revue de Micropaléontologie. 2022. 75. 100610-100610
Mayama, S, Takahashi, O, Yuasa, T. A case study of training students as science communicators in a teaching training college under the college system. Journal of Science Education in Japan. 2007. 31. 4. 380-390
TAKAHASHI Osamu, MAYAMA Shigeki, YUASA Tomoko. P-273 A learning program subjected synthesizing the earth sciences and biology in the "Comprehensive Science B". Annual Meeting of the Geological Society of Japan. 2004. 2004. 296-296
MISC (60)：
Chrysochromulina andersonii sp. nov. (Prymnesiophyceae), a new flagellate haptophyte symbiotic with radiolarians. Phycologia. 2019
