Nozomu, Oyama's website

Nozomu, OYAMA (Ph.D.)

Member: Centre de Recherche en Paléontologie – Paris (CR2P), MNHN – CNRS – Sorbonne Université, Paris, France

Mail: nozomu.oyama ☆mnhn.fr

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Born 16 July, 1994 in Japan.

Scientific interests: Evolution of primitive Hymenoptera, insect fauna after the P/T, Taphonomy of insect

Awards: Poster Session Award (Palaeontological Society of Japan)

Poster Session Award(The Geological Society of Japan)

Researchgate

Publications

Oyama N., Jouault C. & Mita T., (2025) Discovery of a new anaxyelid wasp (Hymenoptera: Anaxyelidae) in mid-Cretaceous Kachin Amber. Palaeoentomology, 8 (1): 89-95, https://doi.org/10.11646/palaeoentomology.8.1.10

Oyama N., Maeda H., Rasnitsyn A. P., Shinoda K., Takahashi H. & Béthoux O., 2025 Evolutionary changes in sawflies ovipositor shape revealed by early fossils. Insect Systematics and Diversity, https://doi.org/10.1093/isd/ixae038

Oyama N., Yukawa H., Imai T. & Azuma Y. 2024. Insect-bearing horizon of the Upper Cretaceous Omichidani Formation (Katsuyama, Fukui, Japan): A short report Paleontological Research, 28 (4): 1-4. https://doi.org/10.2517/PR230025

Breeden III B., Oyama N., Manabe M., Takahashi H. & Sakata C., 2024. A new nonmarine lonchidiid hybodontiform shark (Chondrichthyes, Elasmobranchii) from the Upper Triassic Momonoki Formation in Yamaguchi, Japan. Journal of Vertebrate Paleontology, e2322749-3, 1-12 https://doi.org/10.1080/02724634.2024.2322749.

Yukawa H., Oyama N., Shinoda K., & Takahashi H., 2024. Discovery and significance of erect fossil stumps from the Upper Triassic Momonoki Formation of the Mine Group, SW Japan. Bull. Mine City Mus. 35, 13-31.

Momozaki, A, Maeda H., Oyama N., Nohara N. & Takahashi H., 2024. Additional ammonoid fossils from the Upper Triassic Nakatsuka Formation, Yamaguchi Prefecture, southwest Japan. Bull. Mine City Mus. 35, 1-13

Khramov, A. V., Oyama，N., Shinoda，K., & Takahashi, H. 2023. Late Triassic lacewings (Insecta: Neuroptera) from Japan. Histological Biology. https://doi.org/10.1080/08912963.2023.2244519

Oyama N. Shinoda K., Takahashi H. & Béthoux O., 2023. A new species of the Triassic genus Ideliopsina (Grylloblattida: Ideliidae) from the Ominé locality (Momonoki Formation, southwest Japan). Palaeoentomology, 6 (2): 205–213.

Sato Y., Aiba H., Oyama N., Takahashi Y. & Sato T., 2022. Odonata Fossil Larvae from Nasushiobara City, Tochigi Prefecture. Bulletin of Tokyo Gakugei University, Division of Natural Sciences, 74, 37-49.

Imada Y., Oyama N., Takahashi H., Kenji S. & Yukawa H., 2022. Oldest leaf mine trace fossil from East Asia provides insight into ancient nutritional flow in a plant–herbivore interaction. Scientific Reports, 12, 5254, , https://doi.org/10.1038/s41598-022-09262-1

Oyama, N., Yukawa, H. & Imai, T. 2022 New cockroach assemblage from the Lower Cretaceous Kitadani Formation, Fukui, Japan. Palaeontographica, Abt. A, 321 (1-6), 37-52, https://doi.org/10.1127/pala/2021/0112

Maeda H., Oyama N., Matsui H., Kohno H. & Ito Y. 2021. Different preservational states of Lower Jurassic hildoceratid ammonoids by lithofacies. Bull. Firefly Museum of Toyota Town. 13, 1-17.

Wakita K., Nakagawa T., Sakata M., Tanaka N. & Oyama. N., 2021. Phanerozoic accretionary history of Japan and the western Pacific margin. Geological Magazine, 158, 1-17, https://doi.org/10.1017/S0016756818000742

Oyama N., Maeda H. & Yukawa H., 2020. Mesozoic insect fossils of Japan: significance of the Upper Triassic insect fauna of the Mine Group, Yamaguchi Pref. Bull. Mine City Mus. 33, 1-13.

Oyama N. & Maeda H., 2020. Madygella humioi sp. nov. from the Upper Triassic Mine Group, southwest Japan: The oldest record of sawfly (Hymenoptera: Symphyta) in East Asia. Paleontological Research, 24, 64-71, https://doi.org/10.2517/2019PR005

Oyama N. & Wakita K., 2018. New database construction for Triassic fossil insects of the Mine Group, Yamaguchi Prefecture. Bull. Mine City Mus. 32, 1-6.

International congress

Oyama N., Bardin J. & Béthoux O., 2024. Patches of Meganeura wings sewed into a new reconstruction. The palaeontological Association Annual Meeting, Erlangen, Germany, 9th-13th December, 2024 (Poster session).
Jang J., Oyama N., Nam G., 2024. New Pachymeridiidae(Insecta: Heteroptera: Pentatomomorpha) fossils from the Jinju Formation (Lower Cretaceous), South Korea. The 37th International Geological Congress 2024, Busan, Korea, August 28, 2024 (Oral session).
Oyama N., Maeda H., Rasnitsyn A. P., Shinoda M., Takahashi, H. & Béthoux O., 2024. Evolutionary changes in sawflies ovipositor shape revealed by early fossils. 9th International Congress on Fossil Insects, Arthropods and Amber, Xi’an, China, April 2024 (Oral session).
Oyama N., Maeda H., Rasnitsyn A. P., Shinoda M. & Takahashi H. 2023. Early evolutionary trends of the Hymenoptera (xyelid sawflies) in relation to ovipositor preserved fossils. 5.05. The palaeontological Association Annual Meeting, Cambridge, UK, September 2023 (Poster session).
Matsuguma Y., Ito Y., Maeda H., & Oyama, N. 2023. The Lower Carboniferous brachiopods from the Akiyoshi Limestone Group, Southwest Japan. P22-22, 2nd Asian Palaeontological Congress, Tokyo, Japan, August 2023 (Poster session).
Maeda H. Tanaka G., Nenoki K., Kase Y., Ito Y. & Oyama N. 2023. Fossil preservation of luminous organs of Miocene deep-sea fishes from Chita Peninsula, central Japan. P22-4, 2nd Asian Palaeontological Congress, Tokyo, Japan, August 2023 (Poster session).
Oyama N. Yukawa H. & Imai T., 2023 New cockroach assemblage from the Lower Cretaceous Kitadani Formation, Fukui, Japan. S03-01, 2nd Asian Palaeontological Congress,Tokyo, Japan, August 2023 (Oral session).
Oyama N. & Maeda H. 2018 Discovery of primitive Hymenoptera from the Upper　Triassic Mine Group, southwest Japan. International Symposium and Workshop on Karst Science and Geopark, Yamaguchi, Japan, 14, March 2018 (Oral session).
Oyama N. & Maeda H, 2018 First discovery of primitive Sawfly (Xyelidae) from the Upper Triassic Mine Group, southwest Japan. The International Society of Hymenopterists, Ehime, Japan, July 2018 (Oral session).

　Great my colleagues and friends

Mine City Museum of History and Folklore
Fukui Prefectural Dinosaur Museum, Fukui Prefectural University
Kitakyushu Museum of Natural History and Human History
Russian Academy of Science, Kyoushu University Museum

Referee experience　
2021(1), 2022(1), 2023(2), 2024(3), 2025(2).

Palaeoentomology (1), Natural History Museum and Institute, Chiba. (1), Paleontological Research (2), Bulletin of the Gunma Museum of Natural History (1), Insect (1), Zoological letters (1), Historical Biology (1)

OYAMA, Nozomu's website (Update: 28 Frb. 2025)

Nozomu, Oyama's website

Nozomu, OYAMA (Ph.D.)

Publications

Oyama N., Jouault C. & Mita T., (2025) Discovery of a new anaxyelid wasp (Hymenoptera: Anaxyelidae) in mid-Cretaceous Kachin Amber. Palaeoentomology, 8 (1): 89-95, https://doi.org/10.11646/palaeoentomology.8.1.10

International congress

Oyama N., Bardin J. & Béthoux O., 2024. Patches of Meganeura wings sewed into a new reconstruction. The palaeontological Association Annual Meeting, Erlangen, Germany, 9th-13th December, 2024 (Poster session).

Jang J., Oyama N., Nam G., 2024. New Pachymeridiidae(Insecta: Heteroptera: Pentatomomorpha) fossils from the Jinju Formation (Lower Cretaceous), South Korea. The 37th International Geological Congress 2024, Busan, Korea, August 28, 2024 (Oral session).

Oyama N., Maeda H., Rasnitsyn A. P., Shinoda M., Takahashi, H. & Béthoux O., 2024. Evolutionary changes in sawflies ovipositor shape revealed by early fossils. 9th International Congress on Fossil Insects, Arthropods and Amber, Xi’an, China, April 2024 (Oral session).

Oyama N., Maeda H., Rasnitsyn A. P., Shinoda M. & Takahashi H. 2023. Early evolutionary trends of the Hymenoptera (xyelid sawflies) in relation to ovipositor preserved fossils. 5.05. The palaeontological Association Annual Meeting, Cambridge, UK, September 2023 (Poster session).

Matsuguma Y., Ito Y., Maeda H., & Oyama, N. 2023. The Lower Carboniferous brachiopods from the Akiyoshi Limestone Group, Southwest Japan. P22-22, 2nd Asian Palaeontological Congress, Tokyo, Japan, August 2023 (Poster session).

Maeda H. Tanaka G., Nenoki K., Kase Y., Ito Y. & Oyama N. 2023. Fossil preservation of luminous organs of Miocene deep-sea fishes from Chita Peninsula, central Japan. P22-4, 2nd Asian Palaeontological Congress, Tokyo, Japan, August 2023 (Poster session).

Oyama N. Yukawa H. & Imai T., 2023 New cockroach assemblage from the Lower Cretaceous Kitadani Formation, Fukui, Japan. S03-01, 2nd Asian Palaeontological Congress,Tokyo, Japan, August 2023 (Oral session).

Oyama N. & Maeda H. 2018 Discovery of primitive Hymenoptera from the Upper　Triassic Mine Group, southwest Japan. International Symposium and Workshop on Karst Science and Geopark, Yamaguchi, Japan, 14, March 2018 (Oral session).

Oyama N. & Maeda H, 2018 First discovery of primitive Sawfly (Xyelidae) from the Upper Triassic Mine Group, southwest Japan. The International Society of Hymenopterists, Ehime, Japan, July 2018 (Oral session).

Great my colleagues and friends

Mine City Museum of History and Folklore
Fukui Prefectural Dinosaur Museum, Fukui Prefectural University
Kitakyushu Museum of Natural History and Human History
Russian Academy of Science, Kyoushu University Museum

Referee experience　
2021(1), 2022(1), 2023(2), 2024(3), 2025(2).

Palaeoentomology (1), Natural History Museum and Institute, Chiba. (1), Paleontological Research (2), Bulletin of the Gunma Museum of Natural History (1), Insect (1), Zoological letters (1), Historical Biology (1)

Please feel free to contact me at anytime

OYAMA, Nozomu's website (Update: 28 Frb. 2025)

​Nozomu, Oyama's website

Nozomu, OYAMA (Ph.D.)

Publications

Oyama N., Jouault C. & Mita T., (2025) Discovery of a new anaxyelid wasp (Hymenoptera: Anaxyelidae) in mid-Cretaceous Kachin Amber. Palaeoentomology, 8 (1): 89-95, https://doi.org/10.11646/palaeoentomology.8.1.10

International congress

Oyama N., Bardin J. & Béthoux O., 2024. Patches of Meganeura wings sewed into a new reconstruction. The palaeontological Association Annual Meeting, Erlangen, Germany, 9th-13th December, 2024 (Poster session).

Jang J., Oyama N., Nam G., 2024. New Pachymeridiidae(Insecta: Heteroptera: Pentatomomorpha) fossils from the Jinju Formation (Lower Cretaceous), South Korea. The 37th International Geological Congress 2024, Busan, Korea, August 28, 2024 (Oral session).

Oyama N., Maeda H., Rasnitsyn A. P., Shinoda M., Takahashi, H. & Béthoux O., 2024. Evolutionary changes in sawflies ovipositor shape revealed by early fossils. 9th International Congress on Fossil Insects, Arthropods and Amber, Xi’an, China, April 2024 (Oral session).

Oyama N., Maeda H., Rasnitsyn A. P., Shinoda M. & Takahashi H. 2023. Early evolutionary trends of the Hymenoptera (xyelid sawflies) in relation to ovipositor preserved fossils. 5.05. The palaeontological Association Annual Meeting, Cambridge, UK, September 2023 (Poster session).

Matsuguma Y., Ito Y., Maeda H., & Oyama, N. 2023. The Lower Carboniferous brachiopods from the Akiyoshi Limestone Group, Southwest Japan. P22-22, 2nd Asian Palaeontological Congress, Tokyo, Japan, August 2023 (Poster session).

Maeda H. Tanaka G., Nenoki K., Kase Y., Ito Y. & Oyama N. 2023. Fossil preservation of luminous organs of Miocene deep-sea fishes from Chita Peninsula, central Japan. P22-4, 2nd Asian Palaeontological Congress, Tokyo, Japan, August 2023 (Poster session).

Oyama N. Yukawa H. & Imai T., 2023 New cockroach assemblage from the Lower Cretaceous Kitadani Formation, Fukui, Japan. S03-01, 2nd Asian Palaeontological Congress,Tokyo, Japan, August 2023 (Oral session).

Oyama N. & Maeda H. 2018 Discovery of primitive Hymenoptera from the Upper Triassic Mine Group, southwest Japan. International Symposium and Workshop on Karst Science and Geopark, Yamaguchi, Japan, 14, March 2018 (Oral session).

Oyama N. & Maeda H, 2018 First discovery of primitive Sawfly (Xyelidae) from the Upper Triassic Mine Group, southwest Japan. The International Society of Hymenopterists, Ehime, Japan, July 2018 (Oral session).

Great my colleagues and friends

Mine City Museum of History and Folklore Fukui Prefectural Dinosaur Museum, Fukui Prefectural University Kitakyushu Museum of Natural History and Human History Russian Academy of Science, Kyoushu University Museum

Referee experience 2021(1), 2022(1), 2023(2), 2024(3), 2025(2).

​ Palaeoentomology (1), Natural History Museum and Institute, Chiba. (1), Paleontological Research (2), Bulletin of the Gunma Museum of Natural History (1), Insect (1), Zoological letters (1), Historical Biology (1)

Please feel free to contact me at anytime

Nozomu, Oyama's website

Oyama N. & Maeda H. 2018 Discovery of primitive Hymenoptera from the Upper　Triassic Mine Group, southwest Japan. International Symposium and Workshop on Karst Science and Geopark, Yamaguchi, Japan, 14, March 2018 (Oral session).

　Great my colleagues and friends

Mine City Museum of History and Folklore
Fukui Prefectural Dinosaur Museum, Fukui Prefectural University
Kitakyushu Museum of Natural History and Human History
Russian Academy of Science, Kyoushu University Museum

Referee experience　
2021(1), 2022(1), 2023(2), 2024(3), 2025(2).

Palaeoentomology (1), Natural History Museum and Institute, Chiba. (1), Paleontological Research (2), Bulletin of the Gunma Museum of Natural History (1), Insect (1), Zoological letters (1), Historical Biology (1)