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 TOMOHIRO NISHIMURA,"A new species of Anagaudryceras (Ammonoidea, Gaudryceratidae) from the lowest Maastrichtian of Hokkaido, Japan",Paleontological Research,13428144,Tokyo : Palaeontological Society of Japan,2014-07,18,3,176-185,https://cir.nii.ac.jp/crid/1523388080582424192,https://doi.org/10.2517/2014pr017