Diversity and evolution of feeding mechanisms in early tetrapods

• Project/Area Number: 26800269
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Stratigraphy/Paleontology
• Research Institution: Kanagawa Prefectural Museum of Natural History
• Principal Investigator: Matsumoto Ryoko 神奈川県立生命の星・地球博物館, 学芸部, 学芸員 (00710138)
• Research Collaborator: Evans Susan E. University College London, Cell and Developmental Biology, Professor
• Project Period (FY): 2014-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000); Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
• Keywords: 捕食メカニズム / 頭骨 / 四肢動物 / 適応 / 進化 / 補食メカニズム

Outline of Final Research Achievements

In the evolutionary history of stem tetrapods, one of the dramatic events was the transition from water to land. This required changes to many systems including feeding behaviour, which is correlated with skull morphology. The aim of this study is to investigate the mechanical constraints which may affect skull morphology in early tetrapod, by quantitatively evaluating skull structure and function using anatomical and biomechanical approaches. Stage 1: the arrangement of the palatal dentition. The presence of the palatal dentition is considered to be the primitive condition. This new survey revealed clear trends within the evolutionary history that reflect transitions in feeding behaviour. This study provides a framework for Stage 2. The modelling work will focus on Caudata, because members employ a variety of feeding behaviours. Accurate biomechanical models are combine knowledge obtained by dissection and motion analysis. The resulting models is used in biomechanical analyses.

Research Products

• [Int'l Joint Research] University College London(英国)
• [Journal Article] The palatal dentition of tetrapods and its functional significance (2017)
  • Author(s): Ryoko Matsumoto and Susan E. Evans
  • Journal Title: Journal of Anatomy Volume: 230 Issue: 1 Pages: 47-65
  • DOI: 10.1111/joa.12534
  • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
• [Journal Article] Morphology and function of the palatal dentition in Choristodera (2016)
  • Author(s): Matsumoto, R. and Evans, SE.
  • Journal Title: Journal of Anatomy Volume: 228 Issue: 3 Pages: 414-429
  • DOI: 10.1111/joa.12414
  • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
• [Journal Article] An assemblage of lizards from the Early Cretaceous of Japan. (2015)
  • Author(s): Evans, SE., Manabe, M., and Matsumoto, R.
  • Journal Title: Palaeontologia Electronica Volume: 00 Pages: 000-000
  • Peer Reviewed / Open Access
• [Journal Article] A new fossil lizard from the Lower Cretaceous Sasayama Group of Hyogo prefecture, western Honshu, Japan. (2014)
  • Author(s): Ikeda, T., Ota, H. and Saegusa, H.
  • Journal Title: Journal of Vertebrate Paleontology Volume: 35 Issue: 1 Pages: 1-5
  • DOI: 10.1080/02724634.2014.885032
  • Peer Reviewed / Open Access
• [Journal Article] The first record of a long-snouted choristodere (Reptilia, Diapsida) from the Early Cretaceous of Ishikawa Prefecture. (2014)
  • Author(s): Matsumoto, R, Manabe, M, and Evans, SE.
  • Journal Title: Historical Biology Volume: 27 Issue: 5 Pages: 583-594
  • DOI: 10.1080/08912963.2014.898296
  • Peer Reviewed
• [Presentation] 四肢動物における口蓋歯の配列パターンとその機能について (2016)
  • Author(s): 松本涼子、 スーザン・エバンス
  • Organizer: 日本古生物学会
  • Place of Presentation: 福井県立大学
  • Year and Date: 2016-06-24
• [Presentation] 明らかになりつつある謎の水生爬虫類Khurendukhosaurus(フレンドゥフサウルス属)の全身像 (2016)
  • Author(s): 松本涼子，Khisigjav Tsogthaatar
  • Organizer: 日本古生物学会
  • Place of Presentation: 京都大学
  • Year and Date: 2016-01-29
• [Presentation] 四肢動物の捕食様式の進化について (2016)
  • Author(s): 松本涼子
  • Organizer: オオサンショウウオシンポジウム
  • Place of Presentation: 安佐動物公園
  • Invited
• [Presentation] Fossil vertebrates from the Late Cretaceous (Turonian) of Iwate Prefecture, eastern Japan. (2015)
  • Author(s): Hirayama, R., Takisawa, T., Sasaki, K., Sonoda, T., Yoshida, M., Takekawa, A., Mitsuzuka, S., Kobayashi, Y., Tsuihiji, T., Tsutsumi, Y., Manabe, M., Matsumoto, R., Kusuhashi, N., Kato, T., Takakuwa, Y., Miyata, S., Ando, H., Oishi, M., Mochizuki, T., Okura, M., and Yamaguchi Y.
  • Organizer: Society of Vertebrate Paleontology
  • Place of Presentation: Dallas, USA
  • Year and Date: 2015-10-13
  • Int'l Joint Research
• [Presentation] 岩手県久慈市の久慈層群玉川層から産出したコリストデラ類 (2015)
  • Author(s): 松本涼子，平山廉，武川愛，吉田将崇，三塚俊輔，滝沢利夫，堤之恭．
  • Organizer: 日本古生物学会
  • Place of Presentation: 産業技術総合研究所
  • Year and Date: 2015-06-26
• [Presentation] 水棲爬虫類コリストデラの骨内リモデリングに見られる特異性 (2015)
  • Author(s): 中島保寿，松本涼子
  • Organizer: 日本古生物学会
  • Place of Presentation: 産業技術総合研究所
  • Year and Date: 2015-06-26
• [Presentation] 淡水生爬虫類コリストデラ類における頸の動きの復元 (2015)
  • Author(s): 松本 涼子
  • Organizer: 日本古生物学会
  • Place of Presentation: 豊橋市自然博物館
  • Year and Date: 2015-01-31
• [Presentation] クチバシの骨の形態は角質の形態に制約を与えるか (2015)
  • Author(s): 浦野 雪峰，松本 涼子，河部 壮一郎，田上 響，藤原 慎一
  • Organizer: 日本古生物学会
  • Place of Presentation: 豊橋市自然博物館
  • Year and Date: 2015-01-31
• [Presentation] Tarsal bone morphology of crocodiles reveals the ankle joint mechanism. (2014)
  • Author(s): Suzuki, D., and Matsumoto, R.
  • Organizer: Annual meeting of the Society of Vertebrate Paleontology
  • Place of Presentation: Estrel Berlin, Germany
  • Year and Date: 2014-11-08
• [Presentation] Functional morphology of the palatal dentition in the reptilian group, Choristodera. (2014)
  • Author(s): Matsumoto, R., and Evans, SE.
  • Organizer: Annual meeting of the Society of Vertebrate Paleontology
  • Place of Presentation: Estrel Berlin, Germany
  • Year and Date: 2014-11-06
• [Presentation] ワニの足関節の可動域 (2014)
  • Author(s): 鈴木 大輔，松本 涼子．
  • Organizer: 日本古生物学会
  • Place of Presentation: 九州大学総合博物館
  • Year and Date: 2014-07-01
• [Book] 見る目が変わる博物館の楽しみ方 (2016)
  • Author(s): 矢野興一編著
  • Total Pages: 435
  • Publisher: ベレ出版
• [Book] 恐竜学入門 かたち・生態・絶滅 (2015)
  • Author(s): 監訳 真鍋 真；訳者 藤原 慎一，松本 涼子
  • Total Pages: 396
  • Publisher: 東京化学同人