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) LONG D. J.,"Sharks from the La Meseta Formation (Eocene), Seymour Island, Antarctic Peninsula",Journal of Vertebrate Paleontology,,,1992,12,,11-32,https://cir.nii.ac.jp/crid/1574231875278012416,