@article{oai:niigata-u.repo.nii.ac.jp:00033369, author = {Takahashi, Yui and Ibaraki, Yousuke and Sashida, Katsuo}, journal = {Science reports of Niigata University. (Geology), Science reports of Niigata University. (Geology)}, month = {Mar}, note = {Adetognathus unicornis (Rexroad and Burton) is the first representative of conodont fossils from the Carboniferous Tsuchikurazawa Limestone in the Itoigawa area, Niigata Prefecture, central Japan. The occurrence of this species indicates that the age of the limestone correlates with the late Serpukhovian (= late Chesterian) of the early Carboniferous, which is consistent with previous reports.}, pages = {39--47}, title = {Preliminary report of Carboniferous conodont fossils from the Tsuchikurazawa Limestone, Kotaki, Itoigawa City, Niigata Prefecture, central Japan}, volume = {34}, year = {2019} }