円形双縦溝型珪藻<I>Raphidodiscus marylandicus</I> T. Christianの細胞殻の立体構造

• 小村 精一

書誌事項

タイトル別名

• Frustular architecture of the circular biraphid diatom <I>Raphidodiscus marylandicus</I> T. Christian

抄録

The wall ultrastructure of Raphidodiscus marylandicus T. Christian is observed with SEM on intact specimens from the marine Miocene Nabuto Formation, Boso Peninsula, central Japan. The valve consists of an almost circular valve face with a reduced plicate raphe situated diametrically, and an extremely narrow valve mantle. A thin plate of cribrum covers the whole of the valve. On the valve face, the central lanceolate region is alveolate, the pericentral field is coarsely loculate and the circumferential annular area is finely loculate. Each alveolus communicates with the adjacent loculus through a passag e pore.

収録刊行物

• Diatom

  Diatom 22 (0), 49-55, 2006

  The Japanese Society of Diatomology

キーワード

• Miocene
• morphology
• Nabuto Formation
• raphid diatom
• Raphidodiscus marylandicus

詳細情報

• CRID: 1390001205423467264
• NII論文ID: 130003356314
• DOI: 10.11464/diatom1985.22.0_49
• ISSN: 09119310
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可