Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
SHIGETA YASUNARI,892. SYSTEMATICS OF THE AMMONITE GENUS TETRAGONITES FROM THE UPPER CRETACEOUS OF HOKKAIDO,Transactions and proceedings of the Paleontological Society of Japan. New series,00310204,PALAEONTOLOGICAL SOCIETY OF JAPAN,1989,1989,156,319-342,https://cir.nii.ac.jp/crid/1390282680410382464,https://doi.org/10.14825/prpsj1951.1989.156_319