File:Phanerozoic Biodiversity.svg

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Captions

Captions

Biodiversity (in thousands of genera) since the Cambrian explosion of evolution.

Summary

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Description

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.
Date
Source Phanerozoic_Biodiversity.png
Author SVG version by Albert Mestre
Permission
(Reusing this file)
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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attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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This licensing tag was added to this file as part of the GFDL licensing update.
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Licensing

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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.
w:en:Creative Commons
attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.

File history

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Date/TimeThumbnailDimensionsUserComment
current11:57, 24 September 2021Thumbnail for version as of 11:57, 24 September 2021784 × 464 (194 KB)Mikhail Ryazanov (talk | contribs)rm. capitalitis
17:25, 13 September 2012Thumbnail for version as of 17:25, 13 September 2012784 × 464 (204 KB)Fjalnes (talk | contribs)added periods; replaced triangles
13:21, 27 October 2010Thumbnail for version as of 13:21, 27 October 2010784 × 464 (211 KB)SeL media (talk | contribs)fixed typos and reversed time axis
15:19, 9 August 2009Thumbnail for version as of 15:19, 9 August 2009784 × 464 (145 KB)Ysangkok (talk | contribs)simplify
21:09, 2 February 2008Thumbnail for version as of 21:09, 2 February 2008784 × 464 (273 KB)Cameta (talk | contribs){{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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