wani ryoji 和仁良二

… Alternative Names

和仁良二ワニリョウジ

WANI RYOJI 和仁良二

WANI Ryoji 和仁良二

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Researcher Number	70508580
Other IDs
External Links
Affiliation (Current)	2025: 横浜国立大学, 大学院環境情報研究院, 教授
Affiliation (based on the past Project Information) *help	2023: 横浜国立大学, 大学院環境情報研究院, 教授 2022: 横浜国立大学, 大学院環境情報研究院, 准教授 2016: 横浜国立大学, 大学院環境情報研究院, 准教授 2014 – 2015: 横浜国立大学, 環境情報研究科(研究院), 准教授 2011: 横浜国立大学, 環境情報研究院, 准教授 2009 – 2010: Yokohama National University, 学際プロジェクト研究センター, 特任教員(助教)
Review Section/Research Field	Principal Investigator Stratigraphy/Paleontology / Basic Section 17050:Biogeosciences-related
Keywords	Principal Investigator 白亜紀 / 多様化 / 浮遊幼生期 / アンモナイト類 / ベレムナイト / 繁殖戦略 / 孵化サイズ / 頭足類 / 軟体動物化石 / 温暖期 / オウムガイ / アンモナイト

白亜紀アンモナイト類の化石記録から読み解く海生生物の浮遊幼生期と多様化との関連性Principal Investigator
- Principal Investigator
  
  和仁良二
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17050:Biogeosciences-related
- Research Institution
  Yokohama National University
Reconstruction of hatching sizes in the extinct animal, belemnitesPrincipal Investigator
- Principal Investigator
  
  WANI RYOJI
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Stratigraphy/Paleontology
- Research Institution
  Yokohama National University
Evolutionary history of marine mollusks in warm periodsPrincipal Investigator
- Principal Investigator
  
  WANI Ryoji
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Stratigraphy/Paleontology
- Research Institution
  Yokohama National University

All 2024 2023 2022 2017 2016 2015 2014 2012 2011 2010 2009 Other

All Journal Article Presentation Book

[Book] Ammonoid Paleobiology: From macroevolution to paleogeography2015
- Author(s)
  Wani, R. and Gupta, N.S.
- Publisher
  Springer
- Data Source
  KAKENHI-PROJECT-26800264
[Journal Article] Covariable changes of septal spacing and conch shape during early ontogeny: a common characteristic between Perisphinctina and Ancyloceratina (Ammonoidea, Cephalopoda)2024
- Author(s)
  Nishino Yutaro、Komazaki Keisuke、Arai Masaki、Hattori Ai、Uoya Yuji、Iida Takahiro、Wani Ryoji
- Journal Title
  
  Journal of Paleontology
  
  Volume: 98 Issue: 1 Pages: 102-114
- DOI
  10.1017/jpa.2023.96
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K03794
[Journal Article] Stepwise growth changes in early post-embryonic stages among Cretaceous tetragonitid ammonoids2023
- Author(s)
  Kawakami Yoshitaka、Wani Ryoji
- Journal Title
  
  PalZ
  
  Volume: 2023 Issue: 3 Pages: 1-15
- DOI
  10.1007/s12542-023-00650-0
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K03794
[Journal Article] A Three-Dimensionally Preserved Frog (Amphibia, Anura) from the Lower Cretaceous Kuwajima Formation, Tetori Group, Ishikawa Prefecture, Japan2023
- Author(s)
  Mizukami Ayano、Matsumoto Ryoko、Wani Ryoji、Evans Susan E.
- Journal Title
  
  Paleontological Research
  
  Volume: 27 Issue: 3 Pages: 333-349
- DOI
  10.2517/pr210031
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03794
[Journal Article] Ontogenetic trajectories of septal spacing and conch shape in the Late Cretaceous gaudryceratid ammonoids: implications for their post‐embryonic palaeoecology2022
- Author(s)
  Kawakami Yoshitaka、Uchiyama Naomi、Wani Ryoji
- Journal Title
  
  Palaeontology
  
  Volume: 65 Issue: 1 Pages: 1-17
- DOI
  10.1111/pala.12587
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K03794
[Journal Article] Conservative ontogenetic trajectories of septal spacing during the post-embryonic stage in Cretaceous ammonoids of the subfamily Desmoceratinae2022
- Author(s)
  Takai Fuki、Matsukuma Shin、Hirose Kota、Yamazaki Takashi、Aiba Daisuke、Wani Ryoji
- Journal Title
  
  Lethaia
  
  Volume: 55 Issue: 2 Pages: 1-12
- DOI
  10.18261/let.55.2.2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K03794
[Journal Article] 白亜紀アンモナイト古生物学の近年の進展：特に北太平洋地域に注目して2017
- Author(s)
  和仁良二
- Journal Title
  
  化石
  
  Volume: 101 Pages: 43-59
- NAID
  130007623287
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26800264
[Journal Article] Covariance of sutural complexity with whorl shape: evidence from intraspecific analyses of the Cretaceous ammonoid Desmoceras2016
- Author(s)
  Aiba, D. and Wani, R.
- Journal Title
  
  Swiss Journal of Palaeontology
  
  Volume: 135 Issue: 1 Pages: 1-10
- DOI
  10.1007/s13358-015-0103-0
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26800264
[Journal Article] Abrupt changes in distance between succeeding septa at the hatching time in modern coleoids Sepiella japonica and Spirula spirula2015
- Author(s)
  Yamaguchi, A., Kumada, Y., Alfaro, A.C., and Wani, R.
- Journal Title
  
  Swiss Journal of Palaeontology
  
  Volume: 134 Issue: 2 Pages: 301-307
- DOI
  10.1007/s13358-015-0078-x
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800264
[Journal Article] Abrupt changes in distance between succeeding septa at the hatching time in modern coleoids Sepiella japonica and Spirula spirula2015
- Author(s)
  Yamaguchi, A., Kumada, Y., Alfaro, A.C. and Wani, R.
- Journal Title
  
  Swiss Journal of Palaeontology
  
  Volume: 134 Pages: 1-8
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26800264
[Journal Article] Inconsistent oxygen isotopic values between contemporary secreted septa and outer shell walls in modern nautilus2015
- Author(s)
  Ohno, A., Miyaji, T., and Wani, R.
- Journal Title
  
  Lethaia
  
  Volume: 48 Issue: 3 Pages: 1-9
- DOI
  10.1111/let.12109
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26800264
[Journal Article] Intraspecific variation of phragmocone chamber volumes throughout ontogeny in the modern nautilid Nautilus and the Jurassic ammoniteNormannites2015
- Author(s)
  Tajika A, Morimoto N, Wani R, Naglik C, Klug C
- Journal Title
  
  PeerJ
  
  Volume: 3 Pages: 1-28
- DOI
  10.7717/peerj.1306
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26650171, KAKENHI-PROJECT-26800264
[Journal Article] Variable growth modes in Late Cretaceous ammonoids : implications for diverse early life histories2012
- Author(s)
  Arai, K., Wani, R.
- Journal Title
  
  Journal of Paleontology
  
  Volume: 86 Pages: 258-267
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Different modes of migration within Late Cretaceous ammonoids in northwestern Hokkaido, Japan : evidence from the analyses of shell whorls2012
- Author(s)
  Ikeda, Y., Wani, R.
- Journal Title
  
  Journal of Paleontology
  
  Volume: 86(印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Preferential predatory peeling : ammonoid vs. nautiloid shells from the Upper Carboniferous of Texas2012
- Author(s)
  Wani, R., Jenkins, R. G., and Mapes, R. H.
- Journal Title
  
  Geobios
  
  Volume: vol.45 Issue: 1 Pages: 129-137
- DOI
  10.1016/j.geobios.2011.11.007
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Old and sticky. adhesive mechanisms in the living fossil Nautilus pompilius(Mollusca, Cephalopoda)2012
- Author(s)
  von Byern, J., Wani, R., Schwaha, T., and Cyran, N.
- Journal Title
  
  Zoology
  
  Volume: vol.115 Issue: 1 Pages: 1-11
- DOI
  10.1016/j.zool.2011.08.002
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Variable growth modes in Late Cretaceous ammonoids : implications for diverse early life histories2012
- Author(s)
  Arai, K. and Wani, R.
- Journal Title
  
  Journal of Paleontology
  
  Volume: vol.86 Issue: 2 Pages: 258-267
- DOI
  10.1666/11-068.1
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Preferential predatory peeling : ammonoid vs. nautiloid shells from the Upper Carboniferous of Texas, USA2012
- Author(s)
  Wani, et al
- Journal Title
  
  Geobios
  
  Volume: 45 Pages: 129-137
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Large hatchling size in Cretaceous nautiloids persists across the end-Cretaceous mass extinction : new data of Hercoglossidae hatchlings2011
- Author(s)
  Wani, R., Kurihara, K., and Ayyasami, K.
- Journal Title
  
  Cretaceous Research
  
  Volume: vol.32 Issue: 5 Pages: 618-622
- DOI
  10.1016/j.cretres.2011.01.001
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Intraspecific variation of hatchling size in Late Cretaceous ammonoids from Hokkaido, Japan : implication for planktic duration at early ontogenetic stage2011
- Author(s)
  Tajika, A., Wani, R.
- Journal Title
  
  Lethaia
  
  Volume: 44 Pages: 287-298
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Large hatchling size in Cretaceous nautiloids persists across the end-Cretaceous mass extinction : new data of Hercoglossidae hatchlings2011
- Author(s)
  Wani, R., et al
- Journal Title
  
  Cretaceous Research
  
  Volume: 32 Pages: 618-622
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Large hatchling size in Cretaceous nautiloids persists across the end-Cretaceous mass extinction : new data of Hercoglossidae hatchlings2011
- Author(s)
  Wani, R., et al.
- Journal Title
  
  Cretaceous Research
  
  Volume: (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Intraspecific variation of hatchling size in Late Cretaceous ammonoids from Hokkaido, Japan : implication for planktic duration at early ontogenetic stage2011
- Author(s)
  Tajika, A. and Wani, R.
- Journal Title
  
  Lethaia
  
  Volume: vol.44 Issue: 3 Pages: 287-298
- DOI
  10.1111/j.1502-3931.2010.00242.x
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Permanent El Nino during the Pliocene warm period not supported by coral evidence2011
- Author(s)
  Watanabe, T., A.Suzuki, S.Minobe, T.Kawashima, K.Kameo, K.Minoshima, Y.M.Aguilar, R.Wani, H.Kawahata, K.Sowa, T.Nagai, T.Kase
- Journal Title
  
  Nature
  
  Volume: 471 Issue: 7337 Pages: 209-211
- DOI
  10.1038/nature09777
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21684031, KAKENHI-PROJECT-21740369
[Journal Article] Sympatric speciation drove the macroevolution of fossil cephalopods2011
- Author(s)
  Wani, R.
- Journal Title
  
  Geology
  
  Volume: vol.39 Issue: 11 Pages: 1079-1082
- DOI
  10.1130/g32317.1
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Conservative evolution in nautiloid shell morphology : evidence from the Pennsylvanian nautiloid Metacoceras mcchesneyi from Ohio, USA.2010
- Author(s)
  Wani, R. and Mapes, R. H.
- Journal Title
  
  Journal of Paleontology
  
  Volume: vol.84 Issue: 3 Pages: 477-492
- DOI
  10.1666/09-158.1
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Conservative evolution in nautiloid shell morphology : evidence from the Pennsylvanian nautiloid Metacoceras mcchesneyi from Ohio, USA2010
- Author(s)
  Wani, R., Mapes, R.H.
- Journal Title
  
  Journal of Paleontology
  
  Volume: 84 Pages: 477-492
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Conservative evolution in nautiloid shell morphology : evidence from the Pennsylvanian nautiloid Metacoceras mcchesneyi from Ohio, USA2010
- Author(s)
  Wani, R., Mapes, R.H.
- Journal Title
  
  Journal of Paleontology (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Ontogenetic change and intra-specific variation of shell morphology in the Cretaceous nautiloid(Cephalopoda, Mollusca) Eutrephoceras clementinum(d' Orbigny, 1840) from the Ariyalur area2009
- Author(s)
  Wani, R. and Ayyasami, K.
- Journal Title
  
  Journal of Paleontology
  
  Volume: vol.83 Issue: 3 Pages: 365-378
- DOI
  10.1666/08-119.1
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Ontogenetic change and intra-specific variation of shell morphology in the Cretaceous nautiloid (Cephalopoda, Mollusca) Eutrephoceras clementinum (d'Orbigny, 1840) from the Ariyalur area, southern India2009
- Author(s)
  Wani, R., Ayyasami, K.
- Journal Title
  
  Journal of Paleontology 83
  
  Pages: 365-378
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] In situ Calyptogena colonies from Pliocene back-arc basin fills in Leyte Island
- Author(s)
  Majima, R., Jenkins, R. G., Kase, T., Aguilar, Y. M., Nanjo, T., Wani, R., Wada, H., Fernando, A. G. S., and Hayashi, H.
- Journal Title
  
  Journal of Geological Society of Japan
  
  Volume: vol.116
- Data Source
  KAKENHI-PROJECT-21740369
[Journal Article] Different modes of migration within Late Cretaceous ammonoids in northwestern Hokkaido, Japan : evidence from the analyses of shell whorls
- Author(s)
  Ikeda, Y. and Wani, R.
- Journal Title
  
  Journal of Paleontology
  
  Volume: vol.86(in press)
- Data Source
  KAKENHI-PROJECT-21740369
[Presentation] The planktic post-embryonic stage of Cretaceous ammonoids: estimation from the ontogenetic trajectory of septal spacing2022
- Author(s)
  Wani Ryoji
- Organizer
  The 11th International Symposium on Cephalopods Present & Past
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03794
[Presentation] 白亜紀アンモナイト古生物学の進展2016
- Author(s)
  和仁良二
- Organizer
  日本古生物学会第165回例会
- Place of Presentation
  京都大学
- Year and Date
  2016-01-29
- Invited
- Data Source
  KAKENHI-PROJECT-26800264
[Presentation] 古生物学からみた頭足類2014
- Author(s)
  和仁良二
- Organizer
  日本水産学会シンポジウム「頭足類学の創成―水産学における応用的基礎として―」
- Place of Presentation
  九州大学
- Year and Date
  2014-09-19
- Invited
- Data Source
  KAKENHI-PROJECT-26800264
[Presentation] Preferential peeling : ammonoid versus nautiloid shells from the Upper Carboniferous of Texas, USA2010
- Author(s)
  Wani, R., Mapes, R.H.
- Organizer
  Eighth International Symposium, Cephalopods-Present & Past
- Place of Presentation
  University of Burgundy, Dijon, France
- Year and Date
  2010-09-01
- Data Source
  KAKENHI-PROJECT-21740369
[Presentation] 石炭紀後期のオウムガイMetacocerasの成長様式2010
- Author(s)
  和仁良二・Mapes, R. H.
- Organizer
  日本古生物学会2010年年会
- Place of Presentation
  つくば市
- Data Source
  KAKENHI-PROJECT-21740369
[Presentation] Preferential peeling : ammonoid versus nautiloid shells from the Upper Carboniferous of Texas, USA2010
- Author(s)
  Wani, R. and Mapes, R. H.
- Organizer
  Eighth International Symposium, Cephalopods. Present & Past
- Place of Presentation
  Dijon France
- Data Source
  KAKENHI-PROJECT-21740369
[Presentation] Huge hatchling size in Late Cretaceous nautiloids persists across the K/T boundary to modern nautiloids2009
- Author(s)
  Wani, R., Kurihara, K., and Ayyasami, K.
- Organizer
  8th International Symposium on the Cretaceous System. Plymouth
- Place of Presentation
  United Kingdom
- Data Source
  KAKENHI-PROJECT-21740369
[Presentation] Huge hatchling size in Late Cretaceous nautiloids persists across the K/T boundary to modern nautiloids2009
- Author(s)
  Wani, R., Kurihara, K., Ayyasami, K.
- Organizer
  8th International Symposium on the Cretaceous System
- Place of Presentation
  Plymouth, United Kingdom
- Year and Date
  2009-09-08
- Data Source
  KAKENHI-PROJECT-21740369
[Presentation] Abrupt changes of distance between succeeding septa at the hatching event in modern Sepia and Spirula
- Author(s)
  Yamaguchi, A., Kumada, Y. and Wani, R.
- Organizer
  Cephalopods ‒ Present and Past 9 & International Coleoid Symposium
- Place of Presentation
  Zurich, Switzerland
- Year and Date
  2014-09-07 – 2014-09-10
- Data Source
  KAKENHI-PROJECT-26800264
[Presentation] 古生物学から眺める頭足類
- Author(s)
  和仁良二
- Organizer
  シンポジウム「頭足類学を興す」
- Place of Presentation
  沖縄県立博物館・美術館
- Year and Date
  2014-08-20 – 2014-08-21
- Invited
- Data Source
  KAKENHI-PROJECT-26800264

1. WATANABE Tsuyoshi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
2. 森本直記

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

wani ryoji 和仁 良二

和仁 良二 ワニ リョウジ

WANI RYOJI 和仁 良二

WANI Ryoji 和仁 良二

Research Projects

Research Products

Co-Researchers

白亜紀アンモナイト類の化石記録から読み解く海生生物の浮遊幼生期と多様化との関連性Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Reconstruction of hatching sizes in the extinct animal, belemnitesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Evolutionary history of marine mollusks in warm periodsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] Ammonoid Paleobiology: From macroevolution to paleogeography2015

Author(s)

Publisher

Data Source

[Journal Article] Covariable changes of septal spacing and conch shape during early ontogeny: a common characteristic between Perisphinctina and Ancyloceratina (Ammonoidea, Cephalopoda)2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Stepwise growth changes in early post-embryonic stages among Cretaceous tetragonitid ammonoids2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A Three-Dimensionally Preserved Frog (Amphibia, Anura) from the Lower Cretaceous Kuwajima Formation, Tetori Group, Ishikawa Prefecture, Japan2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ontogenetic trajectories of septal spacing and conch shape in the Late Cretaceous gaudryceratid ammonoids: implications for their post‐embryonic palaeoecology2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Conservative ontogenetic trajectories of septal spacing during the post-embryonic stage in Cretaceous ammonoids of the subfamily Desmoceratinae2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 白亜紀アンモナイト古生物学の近年の進展：特に北太平洋地域に注目して2017

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Covariance of sutural complexity with whorl shape: evidence from intraspecific analyses of the Cretaceous ammonoid Desmoceras2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Abrupt changes in distance between succeeding septa at the hatching time in modern coleoids Sepiella japonica and Spirula spirula2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Abrupt changes in distance between succeeding septa at the hatching time in modern coleoids Sepiella japonica and Spirula spirula2015

Author(s)

Journal Title

Data Source

[Journal Article] Inconsistent oxygen isotopic values between contemporary secreted septa and outer shell walls in modern nautilus2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Intraspecific variation of phragmocone chamber volumes throughout ontogeny in the modern nautilid Nautilus and the Jurassic ammoniteNormannites2015

Author(s)

wani ryoji 和仁良二

和仁良二ワニリョウジ

WANI RYOJI 和仁良二

WANI Ryoji 和仁良二