Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MATSUMOTO T.,Notes on two Cretaceous ammonites from the Tomochi Formation of Kyushu,Japan. Jour. Geol. Geogr.,,,1968,39,,139-148,https://cir.nii.ac.jp/crid/1570291224869052800,