Ymele:Phanerozoic Biodiversity.svg

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This image shows the biodiversity during the Phanerozoic. Note that this is a result of changes in both the rate of extinctions and the rate of new originations. The Dresbachian extinction event (about 502 million years ago) in particular is obscured by nearly immediate replacement with new genera.

Colour code:

  • grey = total known genera from Sepkowski's catalogue (cited by Rohde & Muller)
  • green = "well-defined genera", i.e. known genera excluding those represented by "single occurrences" and those whose dates are uncertain.
  • red = trend for "well-defined genera". Derived by fitting a third-order polynomial to the data.
  • yellow = the "Big Five" mass extinctions.
  • blue = other extinction events.
Reference: Rohde, R.A., and Muller, R.A. (2005-03). "Cycles in fossil diversity". Nature 434: 208-210.
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GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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Biodiversity (in thousands of genera) since the Cambrian explosion of evolution.

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2 Solmonaþ 2008

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nu11:57, 24 Haligmonað 2021Metungincel þære fadunge fram 11:57 on 24 Haligmonað 2021784 × 464 (194 KB)Mikhail Ryazanovrm. capitalitis
17:25, 13 Haligmonað 2012Metungincel þære fadunge fram 17:25 on 13 Haligmonað 2012784 × 464 (204 KB)Fjalnesadded periods; replaced triangles
13:21, 27 Winterfylleð 2010Metungincel þære fadunge fram 13:21 on 27 Winterfylleð 2010784 × 464 (211 KB)SeL mediafixed typos and reversed time axis
15:19, 9 Weodmonað 2009Metungincel þære fadunge fram 15:19 on 9 Weodmonað 2009784 × 464 (145 KB)Ysangkoksimplify
21:09, 2 Solmonaþ 2008Metungincel þære fadunge fram 21:09 on 2 Solmonaþ 2008784 × 464 (273 KB)Cameta{{Information |Description= This figure shows the genus extinction intensity, i.e. the fraction of genera that are present in each interval of time but do not exist in the following interval. The data itself is taken from Rohde & Muller (2005, Su

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