| Project/Area Number |
22540477
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Stratigraphy/Paleontology
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| Research Institution | Kochi University |
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Principal Investigator |
KONDO Yasuo 高知大学, 教育研究部自然科学系, 教授 (90192583)
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| Co-Investigator(Kenkyū-buntansha) |
NOBUHARA Takami 静岡大学, 教育学部, 教授 (30262843)
MATSUBARA Takashi 兵庫県立人と自然の博物館, 自然環境評価研究部, 研究員 (30311484)
SASAKI Takenori 東京大学, 総合研究博物館, 准教授 (70313195)
KURIHARA Yukito 三重大学, 教育学部, 准教授 (10446578)
NAKAO Kenichi 徳島県立博物館, 上席学芸員 (40372221)
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| Co-Investigator(Renkei-kenkyūsha) |
NARA Masakazu 高知大学, 教育研究部自然科学系, 准教授 (90314947)
IWAI Masao 高知大学, 教育研究部自然科学系, 教授 (90274357)
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| Research Collaborator |
KIKUCHI Naoki 高知大学, 短期研究員
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | 系統 / 進化 / 多様性 / 二枚貝 / 色彩パタン / 貝類化石 / 現生種 / 生物相 |
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| Research Abstract |
Based on taxonomic and stratigraphic analyses,earliest fossilrecord of the glycymeridid bivalve Glycymeris vestita is determined to be specimens from the Nojima Formation of the Kazusa Group(2 Ma).Earliest fossil record of the limid bivalve,Acesta goliath is found to be specimens from the Miyata and Kasamori formations(0.6-0.5Ma),and the same age is inferred for A.smithi from the earliest record from the Kasamori Formation.
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