著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) YASUNARI SHIGETA and MASAO FUTAKAMI and RENE HOFFMANN,"Two new ammonoid genera of the subfamily Gabbioceratinae from the Upper Albian (Lower Cretaceous) of Hokkaido, Japan",Paleontological Research,13428144,Tokyo : Palaeontological Society of Japan,2012-09,16,3,208-218,https://cir.nii.ac.jp/crid/1523106605274873728,