Lower Devonian Crinoid Pernerocrinus from the Southern Kitakami Mountains, N.E. Japan

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Description

Three species of Crotalocrinitidae crinoids, Pernerocrinus hayasaki (Minato and Minoura), P. per-foratus sp. nov. and P. sp. are described. All these species came from the lower part of the Ohno Formation (Lower Devonian) of the southern Kitakami Mountains. The first species was previously describcd as a tabulate coral, Ohnopora hayasakai gen. et sp. nov., belonging to the family Syringolitidae. Robust construction of the Pernerocrinus is interpreted to be especially well adapted to reef environment and its occurrence is strictly confined, at present, to the Lower Devonian.

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Details 詳細情報について

  • CRID
    1050564288950965632
  • NII Article ID
    120001152060
  • HANDLE
    2115/36754
  • ISSN
    00183474
  • Text Lang
    en
  • Article Type
    departmental bulletin paper
  • Data Source
    • IRDB
    • CiNii Articles

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