Updated on 2026/01/27
Graduate School of Science Department of Geosciences
Lecturer 2025.10 - Now
School of Science Department of Geosciences
Lecturer 2025.10 - Now
博士（理学） （ Hokkaido University ）
Paleontological Society of Japan
2021 - Now
Osaka Metropolitan University Graduate School of Science Department of Geosciences
2025.10 - Now
Geological Survey of Japan, AIST Resarcher
2024.04 - 2025.09
"Assistant Professor, Institute of Science and Engineering, Chuo University"
2019.04 - 2024.03
A new amber Lagerstätte from the Lower Cretaceous of Japan Reviewed OA
Aya Kubota, Ryo Taniguchi, Yoshinori Hikida, Yasuhiro Iba
Cretaceous Research 2026.02
The oldest sepioid cephalopod from the Cretaceous discovered by Digital fossil-mining with zero-shot learning AI Reviewed OA
Kanta Sugiura, Shin Ikegami, Yusuke Takeda, Jörg Mutterlose, Mehmet Oguz Derin, Aya Kubota, Harufumi Nishida, Kazuki Tainaka, Takahiro Harada, Neil H. Landman, Yasuhiro Iba
Communications Biology 2026.01
Cretaceous diversity of Schizaeales in Antarctica, <i>Escuderia livingstonensis</i> n. gen. et sp., a permineralized fertile organ from Livingston Island, and its ecological implication combined with associated biota Reviewed OA
Harufumi Nishida, Marcelo Leppe C, Aya Kubota, Julien Legrand
Annals of Botany 2025.10（ ISSN:0305-7364 ） （ eISSN:1095-8290 ）
The bright-field grinding tomography of coarse-grained calcium‑aluminum-rich inclusions in the Allende meteorite Reviewed
Ryota Fukai, Yusuke Takeda, Yuki Masuda, Daiki Yamamoto, Yasuhiro Iba, Shintaro Sasaki, Shin Ikegami, Aya Kubota, Reo Sato, Tomohiro Usui
Icarus 116648 - 116648 2025.10（ ISSN:0019-1035 ）
Modern silica sinter deposits from an island-arc setting and their potential for fossilizing plants Reviewed OA
Aya Kubota, Ryo Taniguchi, Tomoyuki Ueda, Yasuhiro Iba
Palaeogeography, Palaeoclimatology, Palaeoecology 113176 2025.09（ ISSN:0031-0182 ）
Amber in the Cretaceous deep sea deposits reveals large-scale tsunamis Reviewed OA
Aya Kubota, Yusuke Takeda, Keewook Yi, Shin-ichi Sano, Yasuhiro Iba
Scientific Reports 15 ( 1 ) 1 - 7 2025.05（ eISSN:2045-2322 ）
Nature visible only digitally Reviewed OA
Yasuhiro Iba, Aya Kubota, Yusuke Takeda, Mehmet Oguz Derin, Shin Ikegami, Jörg Mutterlose, Takahiro Harada, Tomonori Takeuchi, Kazuki Tainaka
Patterns 6 ( 4 ) 101210 - 101210 2025.04（ ISSN:2666-3899 ）
古生物学の百科事典
日本古生物学会 編（琥珀）
丸善出版株式会社 2023.01 （ ISBN:9784621307588 ）
Amber Terpenoids: Initial Chemical Insights into Resin-Producing Trees in the Cretaceous and Paleogene of Japan
Hideto Nakamura, Takuo Ando, Hiroki Yano, Nozomu Oyama, Aya Kubota, Yasuhiro Iba, Toshihiro Yamada
The 6th International Symposium on Asian Dinosaurs in Japan 2025.09
A new amber Lagerstätte from the Lower Cretaceous (upper Aptian) of northern Japan
Aya Kubota, Ryo Taniguchi, Yoshinori Hikida, Yasuhiro Iba
12th Cretaceous Symposium 2025.09
Amber in the deep sea: evidence for large-scale paleo-tsunamis?
Aya Kubota, Yusuke Takeda, Keewook Yi, Shin-ichi Sano, Yasuhiro Iba
12th Cretaceous Symposium 2025.09
Not ammonites, but sepioids: the oldest sepioid cephalopod from the Cretaceous discovered by zero-shot learning AI
Kanta Sugiura, Shin Ikegami, Yusuke Takeda, Jörg Mutterlose, Derin, Mehmet Oguz, Aya Kubota, Harufumi Nishida, Kazuki Tainaka, Takahiro Harada, Neil Landman, Yauhiro Iba
12th Cretaceous Symposium 2025.09
Allende 隕石中コンドリュールの３次元形状の成因と組織との関係
佐藤 澪央, 竹田 裕介, 深井 稜汰, 増田 雄樹, Mehmet Oguz Delin, 笹木 慎太郎, 池上 森, 久保田 彩, 植田 知幸, 伊庭 靖弘, 臼井 寛裕
2025.09
白亜紀メタセコイア属の多様性：福島県双葉層群新産の鉱化化石球果の解剖と類縁
Koki Iida, Atsushi Yabe, Hiroaki Inose, Aya Kubota, Harufumi Nishida
2025.06
3D visualization and observation of chondrules by destructive tomography
Reo Sato, Yusuke Takeda, Ryota Fukai, Yuki Masuda, Mehmet Oguz Derin, Shintaro Sasaki, Shin Ikegami, Aya Kubota, Tomoyuki Ueda, Yasuhiro Iba, Tomohiro Usui
JpGU 2025 2025.05
Chemotaxonomic profiling of Japanese amber through microextraction GC-MS analysis
Hideto NAKAMURA, Hiroki YANO, Aya KUBOTA, Yasuhiro IBA, Toshihiro YAMADA
2024.09
Reconstructing the Devonian Rhynie Chert plants using a new high-resolution imaging technique, MULPIS
Nao Kawagoe, Harufumi Nishida, Aya Kubota, Alexander J Hetherington, Yusuke Takeda, Oguz Derin Mehme, Yasuhiro Iba
XV International Palynological Congress XI International Organization of Palaeobotany Conference 2024.05
Late Cretaceous Angiosperm variation in Hokkaido, Japan: New permineralized flowers found by using an innovating method MULPIS
Tsubasa Ohmori, Aya Kubota, Harufumi Nishida, Shin Ikegami, Yusuke Takeda, Yasuhiro Iba
XV International Palynological Congress XI International Organization of Palaeobotany Conference 2024.05
Voyage into the Devonian Rhynie Chert ecosystem using a new high-resolution imaging technique, MULPIS International conference
Harufumi Nishida, Aya Kubota, Nao Kawagoe, Yusuke Takeda, Yasuhiro Iba
The annual meeting of the Linnean Society Palaeobotany Specialist Group, London, UK 2023.11
Variations in Terpenoid Composition in Japanese Amber Extracts: Diagenesis and Chemotaxonomy International conference
Hideto Nakamura, Aya Kubota, Yasuhiro Iba, Hiroki Yano, Masashi A. Ikeda, Takuto Ando
Water-Rock Interaction（WRI-17） 2023.08
Mid-Cretaceous rudists in the northern part of Myanmar and their paleobiogeographic significance International coauthorship International conference
Shin-ichi SANO, Yasuhiro IBA, Aya KUBOTA, Tin Tin LATT, Saw Mu Tha Lay PAW, Thura OO
2nd Asian Palaeontological Congress 2023.08
Anatomically preserved pentamerous flower from the Late Cretaceous (Turonian) of Hokkaido, Japan International conference
Aya Kubota, Shin Ikegami, Yusuke Takeda, Yasuhiro Iba, Harufumi Nishida
2nd Asian Palaeontological Congress 2023.08
Late Cretaceous Gymnosperm diversity in Hokkaido, Japan: A possible new order based on a permineralized fructification exhibiting new type of seed enclosure and pollentube fertilization International conference
Harufumi Nishida, Aya Kubota, Yusuke Takeda, Yasuhiro Iba
2nd Asian Palaeontological Congress 2023.08
新たな生殖裂片鉱化化石に既知の化石を加えて推定したフサシダ目の進化史 Domestic conference
大井勝成, 久保田彩, 西田治文
日本古生物学会 第 172 回例会 2023.03
Molecular composition of Japanese Cretaceous amber extracts: chemotaxonomic significance of terpenoid biomarkers Domestic conference
Hideto Nakamura, Yasuhiro Iba, Aya Kubota
The 39th Symposium of the Japanese Association of Organic Geochemists 2022.12
A possible new gymnosperm order based on a megasporophyll bearing numerous ventral ovules from the Albian of Hokkaido, Japan International conference
Nishida, Harufumi, Kubota, Aya, Takeda, Yusuke, Iba, Yasuhiro
11th European Palaeobotany and Palynology Conference 2022.06
次世代トモグラフィ技術による形態情報の多次元デジタル化 Invited
竹田裕介, 笹木慎太郎, 池上森, 久保田彩, 西田治文, 伊庭靖弘
日本顕微鏡学会第63回シンポジウム 2020.11
First record of rudist bivalves from Cretaceous limestone in the northern part of Myanmar (a preliminary report) Domestic conference
Sano, S, Iba, Y, Tin Tin Latt, Kubota, A, Saw Mu Tha Lay Paw, Thura Oo
The Palaeontological Society of Japan 2018 2018.06
Aptian micro-organisms captured in amber: first records from the eastern margin of Eurasia
Aya Kubota, Yasuhiro Iba, Yoshinori Hikida, Keewook Yi
The Second International Symposium of IGCP608:“Cretaceous ecosystems and their responses to paleoenvironmental changes in Asia and the Western Pacific” 2014.11
Micro-organisms in amber from the Aptian (Cretaceous) of Yezo Group, northern Japan International conference
Aya Kubota, Yasuhiro Iba, Yoshinori Hikida, Keewook Yi
The 2nd International Symposium on Earth History of Asia 2014.09
Gross biological analysis of Devonian Rhynie Chert flora using innovative observation method
Grant-in-Aid for Scientific Research(B) 2025
地球学実験B
2025 Weekly class Undergraduate