Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UTSUNOMIYA Masayuki,Additional data of calcareous nannofossil assemblage in a sediment sample obtained from the seafloor near the Ishigaki Island (GH18 cruise),BULLETIN OF THE GEOLOGICAL SURVEY OF JAPAN,1346-4272,"National Institute of Advanced Industrial Science and Technology, Geological Survey of Japan",2023-12-28,74,5-6,337-338,https://cir.nii.ac.jp/crid/1390298764873762816,https://doi.org/10.9795/bullgsj.74.5-6_337