Body size trends in the Ordovician to earliest Silurian of the Oslo Region
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- 作者：Are Sigurdsen are_sigurdsen@me.com" class="auth_mail" title="E-mail the corresponding author ; Ø ; yvind Hammer ; ohammer@nhm.uio.no" class="auth_mail" title="E-mail the corresponding author
- 关键词：Trilobita ; Brachiopoda ; Cope's rule ; Lilliput effect ; Ordovician
- 刊名：Palaeogeography, Palaeoclimatology, Palaeoecology
- 出版年：2016
- 出版时间：1 February 2016
- 年：2016
- 卷：443
- 期：Complete
- 页码：49-56
- 全文大小：655 K
文摘
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We present curves for brachiopod and trilobite body size through the Ordovician of Norway.
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Local studies are necessary for understanding global patterns, and can give high data quality.
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Body size is generally increasing in the Ordovician of Norway, especially for brachiopods.
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The increase could result from an unbiased random walk.