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) TAKUMI MAEKAWA and JAMES F. JENKS,"Smithian (Olenekian, Early Triassic) conodonts from ammonoid-bearing limestone blocks at Crittenden Springs, Elko County, Nevada, USA",Paleontological Research,13428144,Tokyo : Palaeontological Society of Japan,2021-07,25,3,201-245,https://cir.nii.ac.jp/crid/1523106606006776320,https://doi.org/10.2517/2020pr022