Database and species diversity of Japanese Cretaceous ammonoids

Seiichi Toshimitsu*, Hiromichi Hirano, Takashi Matsumoto, Kazuharu Takahashi

*この研究の対応する著者

研究成果: Article査読

9 被引用数 (Scopus)

抄録

A total of 790 ammonoid species are recorded from the Cretaceous of Japan using a database of Japanese Cretaceous ammonoids. The species diversity changes of these ammonoids over the course of 31 Japanese Cretaceous substages are described. Seven peaks of high diversity and six events of minimal diversity are elucidated for the Cretaceous of Japan. The times of ammonoid species diversity minima are approximately correlated with oceanic anoxic events, OAE1 to 3, which seems to indicate that species diversity for the Japanese Cretaceous ammonoids was influenced by oceanic anoxic events/subevents.

本文言語English
ページ(範囲)887-893
ページ数7
ジャーナルJournal of Asian Earth Sciences
21
8
DOI
出版ステータスPublished - 2003 6月

ASJC Scopus subject areas

  • 地表過程
  • 地質学

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