Early Silurian (Llandoverian) radiolarians from the Ise area of the Hida "Gaien" Belt, central Japan Early Silurian (Llandoverian) radiolarians from the lse area of the Hida "Gaien" Belt, central Japan

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A moderately well-preserved Llandoverian (early Early Silurian) radiolarian fauna has been discovered from the Ise area of the Hida "Gaien" Belt, in Izumi Village, Fukui Prefecture, central Japan. This is the oldest known radiolarian fauna in Japan, and was recovered from calcareous nodules in the siliceous shale portion of a sedimentary sequence consisting of siliceous shale, alternating tuffaceous sandstone and shale, and tuffaceous sandstone. The fauna contains Haplotaeniatum tegimentum, Syntagentactinia afflicta, S. excelsa, Oriundogutta sp., Inanihella sp., Auliela sp., Palaeoephippium? sp., and Orbiculopylorum sp. This fauna is characterized by an abundance of species in the genera Haplotaeniatum, Syntagentactinia and Oriundogutta, and is comparable with the early to middle Llandoverian Haplotaeniatum tegimentum Assemblage and its equivalents in the southern Urals, Germany, and Nevada. Seventeen species of radiolarians belonging to 12 genera were systematically investigated.

収録刊行物

  • Paleontological research

    Paleontological research 4(2), 147-162, 2000-06-30

    日本古生物学会

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各種コード

  • NII論文ID(NAID)
    110002695235
  • NII書誌ID(NCID)
    AA11137385
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13428144
  • NDL 記事登録ID
    5442465
  • NDL 雑誌分類
    ZM49(科学技術--地球科学--地質)
  • NDL 請求記号
    Z54-J142
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS  IR  J-STAGE 
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