Preliminary report on Pliocene radiolarians from the Nobori Formation, Tonohama Group, Shikoku, Southwest Japan
スポンサーリンク
概要
- 論文の詳細を見る
99 taxa of radiolarians were discriminated from the type section of the Nobori Formation, Tonohama Group, Shikoku, Southwest Japan. The preliminary investigation has revealed that the type locality of the formation, also that of planktonic foraminifera Globorotalia tosaensis whose first appearance defines the base of the zone N21,is correlative with both the Sphaeropyle langii zone (mid latitude) and the Spongaster pentas zone (low-latitude) and that the age is middle to late Pliocene. The Nobori radiolarian fauna is considered to be a transitional type from typical low- to mid-latitude fauna, and is characterized by the predominant occurrence of pyloniaceans, on the other hand, the nassellarians are relatively rich in Cycladophora pliocenica representing one of cold water species. Pseudodictyophimus hexaptesimus, Bathropyramis (?) pyrgina, Eucyrtidium lene are newly described.
- 名古屋大学の論文
著者
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Inoue Keisuke
Department of Anatomy & Neurobiology, Kyoto Prefectural University of Medicine
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SUGIYAMA Kazuhiro
Department of Hematology, University of Tsukuba Hospital
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Nobuhara Takami
Department Of Earth And Planetary Sciences Graduate School Of Science Nagoya University
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Nobuhara Takami
Department Of Earth And Planetary Sciences School Of Science Nagoya University
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Sugiyama Kazuhiro
Department Of Earth And Planetary Sciences School Of Science Nagoya University
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Inoue Keisuke
Department Of Earth And Planetary Sciences School Of Science Nagoya University
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