岡山県新見市の中新世備北層群からのPeriploma mitsuganoense Araki (Bivalvia: Mollusca)について ―特にその古地理学的意義― On Periploma mitsuganoense Araki (Bivalvia: Mollusca) from the Miocene Bihoku Group in Niimi City, Okayama Prefecture, southwest Japan ―with special reference to it's paleogeographic significance―

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In this paper, we deal with re-description of Periploma mitsuganoense Araki and it's morphologicalvariation and significance of the molluscan fauna of it from the Miocene Bihoku Group in Niimi City,Okayama Prefecture, Southwest Japan. Moreover, the paleogeographic significance of this species is analyzed.The obtained results are summarized as follows:1. The morphological variation of Periploma mitsuganoense Araki has a wide range on the basis of theanalysis of the morphological outline.2. The occurrence of P. mitsuganoense Araki from the Pectinid fauna is the first record in the West SetouchiGeological Province.3. It is presumable that P. mitsuganoense Araki is an endemic species in the First Setouchi GeologicalProvince from a view point of it's spatial distribution.

収録刊行物

  • Okayama University Earth Science Report

    Okayama University Earth Science Report 20(1), 7-11, 2013-12-27

    岡山大学理学部地球科学教室

各種コード

  • NII論文ID(NAID)
    120005394593
  • NII書誌ID(NCID)
    AN10506284
  • 本文言語コード
    JPN
  • 資料種別
    Departmental Bulletin Paper
  • ISSN
    1340-7414
  • データ提供元
    IR 
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