First occurence of Haugia cf. variabilis (d'Orbigny) (Ammonoidea) from the Lower Jurassic of the Uminoura area, western Kyushu, Japan

Ryoji Wani*, Tohru Ohta, Hiromichi Hirano

*この研究の対応する著者

研究成果: Article査読

抄録

Haugia cf. variabilis (d'Orbigny) has been found in the upper part of the Idenohana Formation in the Uminoura area, Kumamoto Prefecture. This species is originally known from the Upper Toarcian H. variabilis Subzone of the Lytoceras jurense Zone in western Europe. This occurrence combined with our analyses of the lithofacies and sequence stratigraphy suggests that the Idenohana Formation is conformably overlain by the Kyodomari Formation.

本文言語English
ページ(範囲)123-128
ページ数6
ジャーナルPaleontological Research
8
2
DOI
出版ステータスPublished - 2004 6 30

ASJC Scopus subject areas

  • 生態、進化、行動および分類学
  • 古生物学

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