@article{oai:niigata-u.repo.nii.ac.jp:00006842,
 author = {Ibaraki, Yousuke and Tazawa, Jun-ichi and Sato, Kiichi and Nakamura, Yukio},
 journal = {Science reports of Niigata University. (Geology), Science reports of Niigata University. (Geology)},
 month = {Mar},
 note = {Two species of large productid brachiopods, Gigantoproductus tujucsuensis Gladchenko, 1955 and Gigantoproductus meridionalis Legrand-Blain, 1973 are described from the Tsuchikurazawa Limestone of Kotaki, Itoigawa City, central Japan. These gigantoproductids indicate a Namurian age for the limestone.},
 pages = {55--64},
 title = {Gigantoproductus (Carboniferous Brachiopoda) from Kotaki, Itoigawa City, Niigata Prefecture, central Japan},
 volume = {23},
 year = {2008}
}