Age calibration of megafossil biochronology based on Early Campanian planktonic foraminifera from Hokkaido, Japan

Kazuyoshi Moriya, Hiroshi Nishi, Kazushige Tanabe

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7 Citations (Scopus)

Abstract

The occurence of an Early Campanian planktonic foraminiferal assemblage consisting of Globotruncana arca, G. linneiana, Rosita fornicata and R. patelliformis is first reported from the Upper Haborogawa Formation exposed in the Haboro area, northwestern Hokkaido, Japan. This finding supports the previous interpretation that the Santonian/Campanian boundary can be placed at the basal part of Inoceramus (Platyceramus) japonicus Zone of the inoceramid biostratigraphy.

Original languageEnglish
Pages (from-to)277-282
Number of pages6
JournalPaleontological Research
Volume5
Issue number4
Publication statusPublished - 2001 Dec 1

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Keywords

  • Biostratigraphy
  • Hokkaido
  • Planktonic foraminifera
  • Santonian/campanian boundary

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Palaeontology

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