High-resolution biochronology and diversity dynamics of the Early Triassic ammonoid recovery: The Dienerian faunas of the Northern Indian Margin
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- 作者：David Warea ; david.ware@pim.uzh.ch" class="auth_mail" title="E-mail the corresponding author ; Hugo Buchera ; hugo.fr.bucher@pim.uzh.ch" class="auth_mail" title="E-mail the corresponding author ; Arnaud Brayardb ; Elke Schneebeli-Hermanna ; Thomas Brü ; hwilera
- 关键词：Early Triassic recovery ; Dienerian ; Ammonoids ; Northern Indian Margin ; Biochronology ; Diversity
- 刊名：Palaeogeography, Palaeoclimatology, Palaeoecology
- 出版年：2015
- 出版时间：15 December 2015
- 年：2015
- 卷：440
- 期：Complete
- 页码：363-373
- 全文大小：1185 K
文摘
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A new ammonoid biochronological zonation for the Dienerian of the Northern Indian Margin is constructed, with 12 zones
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We propose to subdivide the Dienerian into three parts (early, middle and late) instead of two
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Ammonoids underwent a moderate recovery in the early Dienerian followed by low diversity before the early Smithian recovery
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Low diversity in mid-late Dienerian is associated with anoxic conditions and warm temperatures
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mid-late Dienerian times now appear as a distinct extinction phase in the Early Triassic recovery