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Okanishi Masanori  岡西 政典

… Alternative Names

OKANISHI Masanori  岡西 政典

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Researcher Number 70639278
Other IDs
  • ORCIDhttps://orcid.org/0000-0001-8106-7693
Affiliation (Current) 2025: 広島修道大学, 人間環境学部, 教授
Affiliation (based on the past Project Information) *help 2022 – 2024: 広島修道大学, 人間環境学部, 助教
2017 – 2021: 東京大学, 大学院理学系研究科(理学部), 特任助教
2016: 茨城大学, 理学部, 助教
Review Section/Research Field
Principal Investigator
Basic Section 39060:Conservation of biological resources-related
Except Principal Investigator
Basic Section 45030:Biodiversity and systematics-related / Biodiversity/Systematics
Keywords
Principal Investigator
クモヒトデ / 潮下帯 / MIg-seq / MIG-seq / 次世代シーケンサー / 分子系統解析 / 海洋保全 / 棘皮動物 / 海産無脊椎動物 / 進化 … More / ニシキクモヒトデ / 古標本 / 博物館標本 / クモヒトデ類 / MIG seq / 集団遺伝 / 分類 / 系統 … More
Except Principal Investigator
マイクロCT / 分子系統 / クモヒトデ綱 / 進化 / 分類 / 系統 / 殻 / 生物地理 / 海溝 / 初期発生 / 底生動物 / 保護・保全 / アンキアライン環境 / 洞窟水圏環境 / 生物相 / 琉球列島 / 生物多様性 / 海底洞窟 / 洞窟水圏 / 進化的保存性 / 比較形態 / 保存性 / 非破壊 / 形質 / クモヒトデ類 / 骨格 / クモヒトデ目 Less
  • Research Projects

    (5 results)
  • Research Products

    (42 results)
  • Co-Researchers

    (10 People)
  •  網羅的サンプリングに基づく深海底生動物の多様化機構解明

    • Principal Investigator
      狩野 泰則
    • Project Period (FY)
      2022 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 45030:Biodiversity and systematics-related
    • Research Institution
      The University of Tokyo
  •  Conservation study of the marine invertebrate brittle star, Ophiothela danae, based on museum specimen DNAPrincipal Investigator

    • Principal Investigator
      Okanishi Masanori
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 39060:Conservation of biological resources-related
    • Research Institution
      Hiroshima Shudo University
      The University of Tokyo
  •  Marine and anchialine cave biodiversity in the Ryukyu Islands, Japan

    • Principal Investigator
      藤田 喜久
    • Project Period (FY)
      2020 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 45030:Biodiversity and systematics-related
    • Research Institution
      Okinawa Prefectural University of Arts
  •  Comparative morphology of the ossicles of ophiuroids using micro-computed tomography: Which ossicles are morphologically conservative in evolution?

    • Principal Investigator
      Fujita Toshihiko
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Biodiversity/Systematics
    • Research Institution
      National Museum of Nature and Science, Tokyo
  •  Molecular phylogeny of Ophiuroidea (Echinodermata) and evolution of arm ossicles

    • Principal Investigator
      Fujita Toshihiko
    • Project Period (FY)
      2013 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Biodiversity/Systematics
    • Research Institution
      National Museum of Nature and Science, Tokyo

All 2024 2023 2021 2020 2019 2018 2017 2016 2015 2014 2013 Other

All Journal Article Presentation

  • [Journal Article] 紀伊水道南方海域および熊野灘の深海底生動物相(第2報)2019

    • Author(s)
      木村妙子・木村昭一・角井敬知・波々伯部夏美・倉持利明・藤田敏彦・小川晟人・小林格・自見直人・岡西政典・山口悠・広瀬雅人・吉川晟弘・福地順・下村通誉・柏尾翔・上野大輔・藤原恭司・成瀬貫・櫛田優花・喜瀬浩輝・前川陽一・中村亨・奥村順哉・田中香月
    • Journal Title

      平成29年度三重大学フィールド研究・技術年報

      Volume: 16 Pages: 1-29

    • NAID

      120006769808

    • Open Access
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] The widely occurring brittlestar Ophiactis savignyi (Amphilepidida: Ophiactidae) as an epibiont on loggerhead sea turtle, Caretta caretta2019

    • Author(s)
      Hayashi, R., Okanishi, M.
    • Journal Title

      Zootaxa

      Volume: 4695 Issue: 5 Pages: 497-500

    • DOI

      10.11646/zootaxa.4695.5.7

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] Fossil gorgonocephalid basket stars (Echinodermata: Ophiuroidea: Euryalida) from the Middle Pleistocene of Japan; the first record from the Indo Pacific region2019

    • Author(s)
      Okanishi, M., Ishida, Y., Mistui, S.
    • Journal Title

      Paleontological Research

      Volume: 23 Issue: 3 Pages: 179-185

    • DOI

      10.2517/2018pr017

    • NAID

      210000156587

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] 学部生に伝える研究最前線 南の島から発見された新種の光るクモヒトデ2019

    • Author(s)
      岡西政典
    • Journal Title

      東京大学理学系研究科・理学部ニュース

      Volume: 51 Pages: 4-4

    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] 紀伊水道南方海域および熊野灘の深海底生動物相2019

    • Author(s)
      木村妙子・木村昭一・自見直人・倉持利明・藤田敏彦・駒井智幸・吉田隆太・田中隼人・岡西政典・小川晟人・小林格・小玉将史・齋藤礼弥・清野裕暉・片平浩孝・中野裕昭・吉川晟弘・上野大輔・田中正敦・大矢佑基・前川陽一・中村亨・奥村順哉・田中香月
    • Journal Title

      三重大学大学院生物資源学研究科紀要

      Volume: 45 Pages: 11-50

    • NAID

      120006777572

    • Open Access
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] A comprehensive taxonomic list of brittle stars (Echinodermata: Ophiuroidea)?from submarine caves of the Ryukyu Islands, southwestern Japan, with a description of a rare species, Dougaloplus echinatus (Amphiuridae)2019

    • Author(s)
      OKANISHI MASANORI、FUJITA YOSHIHISA
    • Journal Title

      Zootaxa

      Volume: 4571 Issue: 1 Pages: 73-73

    • DOI

      10.11646/zootaxa.4571.1.5

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K07549, KAKENHI-PROJECT-16K07490
  • [Journal Article] Ophiuroids from submarine caves of the Ryukyu Islands, Japan2019

    • Author(s)
      岡西政典・藤田喜久
    • Journal Title

      Taxa, Proceedings of the Japanese Society of Systematic Zoology

      Volume: 46 Issue: 0 Pages: 22-27

    • DOI

      10.19004/taxa.46.0_22

    • NAID

      130007618792

    • ISSN
      1342-2367, 2189-7298
    • Year and Date
      2019-02-28
    • Language
      Japanese
    • Open Access
    • Data Source
      KAKENHI-PROJECT-16K07490, KAKENHI-PROJECT-17K07549
  • [Journal Article] Brittle stars from a submarine cave of Christmas Island, northwestern Australia, with description of a new species Ophiopsila xmasilluminans (Echinodermata: Ophiuroidea) and notes on its behavior2019

    • Author(s)
      Okanishi, M., Oba, Y., Fujita, Y.
    • Journal Title

      Raffles Bulletin of Zoology

      Volume: 67 Pages: 421-439

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] A new cryptic species of Asteronyx Mueller and Troschel, 1842 (Echinodermata: Ophiuroidea), based on molecular phylogeny and morphology, from off Pacific Coast of Japan2018

    • Author(s)
      Okanishi, M, Sentoku, A,, Martynov, A, Fujita, T.
    • Journal Title

      Zoologischer Anzeiger

      Volume: 274 Pages: 14-33

    • DOI

      10.1016/j.jcz.2018.03.001

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K07549, KAKENHI-PROJECT-19K21052
  • [Journal Article] A new species of Ophioconis (Echinodermata: Ophiuroidea) from a submarine cave at Shimoji Island, Miyako Island Group, southwestern Japan2018

    • Author(s)
      Okanishi Masanori, Fujita Yoshihisa
    • Journal Title

      Proceedings of the Biological Society of Washington

      Volume: 131 Pages: 163-174

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] Description of a New Subfamily, Astrocloninae (Ophiuroidea: Euryalida: Gorgonocephalidae), Based on Molecular Phylogeny and Morphological Observations2018

    • Author(s)
      Okanishi Masanori、Fujita Toshihiko
    • Journal Title

      Zoological Science

      Volume: 35 Issue: 2 Pages: 179-187

    • DOI

      10.2108/zs170090

    • NAID

      40021515054

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] A taxonomic review of the genus Astrodendrum (Echinodermata, Ophiuroidea, Euryalida, Gorgonocephalidae) with description of a new species from Japan2018

    • Author(s)
      Okanishi, M. and T. Fujita
    • Journal Title

      Zootaxa

      Volume: 4392(2) Issue: 2 Pages: 289-310

    • DOI

      10.11646/zootaxa.4392.2.4

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] irst finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)2018

    • Author(s)
      Okanishi, M. & Fujita, Y.
    • Journal Title

      Zootaxa

      Volume: 4377 Issue: 1 Pages: 1-20

    • DOI

      10.11646/zootaxa.4377.1.1

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Journal Article] Non-destructive morphological observations of the fleshy snake star, Asteronyx loveni (Echinodermata: Ophiuroidea: Euryalida) using micro-computed tomography2017

    • Author(s)
      Okanishi, M, Fujita, T, Maekawa, Y, Sasaki, T.
    • Journal Title

      Zookeys

      Volume: 663 Pages: 1-19

    • DOI

      10.3897/zookeys.663.11413

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-25440226, KAKENHI-PROJECT-15K14589
  • [Journal Article] 分類学と古生物学の融合: 現生種と化石種による海産無脊椎動物の系統分類学的研究2016

    • Author(s)
      藤田敏彦・岡西政典
    • Journal Title

      タクサ

      Volume: 40 Pages: 1-2

    • Open Access
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Journal Article] Redescription of an euryalid brittle star, Astroceras coniunctum (Echinodermata, Ophiuroidea, Euryalida)2014

    • Author(s)
      Okanishi, M., Moritaki, T and T. Fujita
    • Journal Title

      Bulletin of the National Museum of Nature and Science, Series A

      Volume: 40 Pages: 133-139

    • NAID

      40020204103

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] クモヒトデ標本を用いた研究:分類,化石,環境DNAまで2024

    • Author(s)
      岡西政典
    • Organizer
      日本動物学会第95回長崎大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-21K05632
  • [Presentation] 琉球列島の海底洞窟における大型ベントスの動物相および生態分布2023

    • Author(s)
      藤田喜久・水山 克・岡西政典・井口 亮・木村 颯・菅 浩伸(口頭発表:発表者 藤田喜久)
    • Organizer
      日本動物学会第94回大会 (山形大学)
    • Data Source
      KAKENHI-PROJECT-23K20305
  • [Presentation] MIG seq法を用いたニシキクモヒトデ(棘皮動物門:クモヒトデ綱)の遺伝構造解析2023

    • Author(s)
      岡西政典・中濱直之・藤田敏彦・蛭田眞平
    • Organizer
      日本動物学会第94回山形大会
    • Data Source
      KAKENHI-PROJECT-21K05632
  • [Presentation] 琉球列島の海底洞窟における甲殻類群集構造2023

    • Author(s)
      藤田喜久・水山 克・木村 颯・菅 浩伸・井口 亮・下村通誉・斉藤知己・岡西政典・角井敬知(口頭発表:発表者 藤田喜久)
    • Organizer
      日本甲殻類学会第61 回大会 (東京海洋大学)
    • Data Source
      KAKENHI-PROJECT-23K20305
  • [Presentation] 相模湾周辺の現生・化石クモヒトデ類の検討~自然史の解明にむけて~2021

    • Author(s)
      岡西政典・三井翔太・川端美千代・小森いづみ・幸塚久典
    • Organizer
      第17回棘皮動物研究集会オンライン大会
    • Data Source
      KAKENHI-PROJECT-21K05632
  • [Presentation] 現生・化石の研究から見えてきた相模湾産クモヒトデ類の自然史と環境指標生物としての応用の可能性2021

    • Author(s)
      岡西政典・三井翔太・CHEN Chong・川端美千代・小森いづみ・幸塚久典
    • Organizer
      日本動物学会第92回オンライン大会
    • Data Source
      KAKENHI-PROJECT-21K05632
  • [Presentation] 南極海とその近海から得られたクモヒトデ綱の4未記載種について2020

    • Author(s)
      岡西政典
    • Organizer
      日本動物学会関東支部 第72回大会
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] Shallow water reef ophiuroids (Echinodermata: Ophiuroidea) of Thailand waters2019

    • Author(s)
      Okanishi M, Chavanich S, Viyakarn V, Fuijta T
    • Organizer
      3rd CCore-RENSEA Joint Seminar on Coastal Ecosystems in Southeast Asia
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] 日本産セノテヅルモヅルの分類について2019

    • Author(s)
      岡西政典・幸塚久典・藤田敏彦
    • Organizer
      第16回棘皮動物研究集会
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] 熊野灘より得られたクモヒトデ類について2019

    • Author(s)
      岡西政典
    • Organizer
      日本動物学会第90回大阪大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] 南西諸島沖より発見されたOphiambix属の分類学的研究2018

    • Author(s)
      岡西政典・加藤萌・渡部裕美・Chong Chen・藤田敏彦
    • Organizer
      日本動物分類学会第54回大会
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] 海底洞窟に生息するクモヒトデ類について2018

    • Author(s)
      岡西政典・藤田喜久
    • Organizer
      沖縄生物学会第55回大会
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] Molecular phylogeography of Asteronyx loveni species complex2018

    • Author(s)
      Okanishi, M., Sentoku, A., Martynov, A. and Fujita, T.
    • Organizer
      16th International Echinoderm Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] 沖縄島宜名真海底鍾乳洞(通称:辺戸ドーム)から得られたOphiozonella(クモヒトデ綱)についての予察的報告2017

    • Author(s)
      岡西政典・藤田喜久
    • Organizer
      第88回日本動物学会富山大会
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] 琉球列島海底鍾乳洞から得られたクモヒトデ類についての予察的報告2017

    • Author(s)
      岡西政典・藤田喜久
    • Organizer
      第14回棘皮動物研究集会
    • Data Source
      KAKENHI-PROJECT-17K07549
  • [Presentation] Systematic revision of subfamilies of Gorgonocephalidae (Echinodermata, Ophiuroidea) based on molecular phylogeny and ossicle morphology2016

    • Author(s)
      Okanishi, M., Fujita, T.
    • Organizer
      Joint Events of the 22nd Inernational Congress of Zology and the 87th Meeting of Zoological Society of Japan
    • Place of Presentation
      沖縄科学技術大学院大学・沖縄コンベンションセンター(沖縄県恩納村・宜野湾市)
    • Year and Date
      2016-11-14
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] Systematic position of Astroclon inferred from molecular phylogeny and morphology2016

    • Author(s)
      Okanishi M., M. Arai M., Fujita T
    • Organizer
      9th Europen Conference on Echinoderms
    • Place of Presentation
      Sopot (Polland)
    • Year and Date
      2016-09-17
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] カンムリクモヒトデ(クモヒトデ綱)の特異な形態と潜行行動2015

    • Author(s)
      岡西政典・石田吉明・山本恒紀・宮﨑勝己・朝倉彰・藤田敏彦
    • Organizer
      日本動物学会第86回大会
    • Place of Presentation
      朱鷺メッセ(新潟県新潟市)
    • Year and Date
      2015-09-17
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] マイクロフォーカス X 線 CT スキャナーを用いたキヌガサモヅル Asteronyx loveni の形態観察2015

    • Author(s)
      岡西政典・前川 優・佐々木猛智・藤田敏彦
    • Organizer
      日本動物分類学会第51回大会
    • Place of Presentation
      広島大学(広島県東広島市)
    • Year and Date
      2015-06-13
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] ツルクモヒトデ目(棘皮動物門,クモヒトデ綱)の分子系統解析と骨片の形態に基づく新しい系統分類2014

    • Author(s)
      岡西政典・千徳明日香・藤田敏彦
    • Organizer
      日本古生物学第163回例会
    • Place of Presentation
      兵庫県神戸市
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] Population structure of a fissiparous brittle star Ophiothela danae (Echinodermata, Ophiuroidea) on gorgonacean corals2013

    • Author(s)
      Okanishi, M., S. Chavanich, V. Viyakarn and T. Fujita
    • Organizer
      NRCT – JSPS Joint International Seminar on Coastal Marine Science in Southeast Asia
    • Place of Presentation
      Chiang Mai, Thailand
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] タイ湾におけるヤギ類に付着するニシキクモヒトデ(Ophiothela danae)の色彩変異,生殖様式と体長組成2013

    • Author(s)
      岡西政典・Suchana Chavanich・Voranop Viyakarn・藤田敏彦
    • Organizer
      第10回棘皮動物研究集会
    • Place of Presentation
      富山県富山市
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] Population structure of a brittle star Ophiothela danae (Echinodermata, Ophiuroidea) on gorgonacean corals from Gulf of Thailand

    • Author(s)
      Okanishi, M., Chavanich, S., Viyakarn, V. and T. Fujita
    • Organizer
      IOC/WESTPAC 9th International Scientific Symposium
    • Place of Presentation
      Nha Trang, Vietnam
    • Year and Date
      2014-04-22 – 2014-04-25
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] 日本産キヌガサモヅル(クモヒトデ綱:ツルクモヒトデ目)の分子系統解析

    • Author(s)
      岡西政典・藤田敏彦
    • Organizer
      日本動物学会第85回大会
    • Place of Presentation
      仙台市
    • Year and Date
      2014-11-14 – 2014-11-17
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] 日本国内より初めて産 出したツルクモヒトデ目(クモヒトデ綱)の骨片化

    • Author(s)
      岡西政典・千徳明日香・三井翔太・石田吉明・藤田敏彦
    • Organizer
      日本古生物学会2014 年年会
    • Place of Presentation
      福岡市
    • Year and Date
      2014-06-27 – 2014-06-29
    • Data Source
      KAKENHI-PROJECT-25440226
  • [Presentation] Molecular phylogeography of the euryalid brittle star, Asteronyx loveni

    • Author(s)
      Okanishi, M. and T. Fujita
    • Organizer
      Europian Echinoderm Colloquium
    • Place of Presentation
      Portsmouth, UK
    • Year and Date
      2014-07-20 – 2014-07-23
    • Data Source
      KAKENHI-PROJECT-25440226
  • 1.  Fujita Toshihiko (70222263)
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  • 2.  角井 敬知 (70723360)
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  • 3.  藤田 喜久 (20771463)
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  • 4.  下村 通誉 (30359476)
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  • 5.  井口 亮 (50547502)
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  • 6.  斉藤 知己 (80632603)
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  • 7.  藤井 琢磨 (30772462)
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  • 8.  狩野 泰則 (20381056)
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  • 9.  遊佐 陽一 (60355641)
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  • 10.  ISHIDA Yoshiaki
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