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) Akihiro Misaki and Yasuyuki Tsujino,"A New Species of the Heteromorph Ammonoid Didymoceras from the Upper Cretaceous Izumi Group in Shikoku, Southwestern Japan, and Its Evolutionary Implications",Paleontological Research,1342-8144,The Paleontological Society of Japan,2021-04-01,25,2,,https://cir.nii.ac.jp/crid/1360006144034480512,https://doi.org/10.2517/2020pr010