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File:Phanerozoic Biodiversity-pt BR.svg

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Summary

Description
English: 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 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". Dereived 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 This file was derived from: Phanerozoic Biodiversity.svg
by Dragons flight (original PNG image) and Albert Mestre (SVG version)
Author Splibubay (Portuguese translation)
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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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This licensing tag was added to this file as part of the GFDL licensing update.

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18 March 2014

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current14:06, 18 March 2014Thumbnail for version as of 14:06, 18 March 2014784 × 464 (204 KB)SplibubayUser created page with UploadWizard
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