2024-03-29T15:19:14Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/358432019-04-25T02:11:40Zhdl_2115_35702hdl_2115_34816hdl_2115_116On the Ontogeny of Barroisiceras Minimum YABE from the Upper Ammonite Bed in Hokkaidô (Palaeontological Study of Cretaceous Ammonites from Hokkaidô - (I).)Hayasaka, IchirôFukada, Atsuo450The Hokkaido UniversityDepartmental Bulletin Paperapplication/pdfhttp://hdl.handle.net/2115/35843https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/35843/1/7%284%29_324-330.pdf0018-3474AA00697854Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy743243301951-03engpublisher