File:Evolution of dinosaurs EN.svg

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English: Evolution of dinosaurs. Typical silhouettes are shown in black. At the bottom of the image red colour shows the differences in the pubis bone. Drawing based on the Polish encyklopedia: Wielka Encyklopedia PWN, tom 7, str. 190, wydanie 2001-2005
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: On the advice of MWAK I made some changes to this diagram:
  • Removed colours of the clades. I know of no colouring system used in cladistics in such a way. Changed colours of geochronologic units to official colours.
  • Birds are now part of the Theropoda
  • Put Maniraptora in a more basal position, changed the name in the balloon to Deinonychosauria
  • Presented Ceratosauria as a sister group, not a basal group of the Theropoda
  • Made Prosauropoda and Sauropoda sister groups instead of presenting the first as the ancestors of the second
  • Removed the suggestion that the Sauropoda declined in importance during the Cretaceous
  • Made the Heterodontosauridae the first group to split off the main branch of the Ornithischia
  • Merged Hadrosauridae, Iguanodontidae and Hypsilophodontidae into one group: Euornithopoda. The first two are paraphyletic anyway.
  • Merged Psittacosauridae and Ceratop(s)ia. The first is part of the second group.
  • Added the names of the basal groups Cerapoda and Genasauria

Explanation: MWAK argued the diagram originally uploaded by Zureks (based on a Polish encyclopaedia) contains outdated views and also plain mistakes. We think this version is better in line with current cladistic views on Dinosaur evolution.. The original can be viewed here: Evolution of dinosaurs by Zureks.svg: . Modifications made by Woudloper.


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This image is a derivative work of the following images:

  • File:Evolution_of_dinosaurs_by_Zureks.svg licensed with Cc-by-sa-3.0, GFDL
    • 2009-03-18T20:31:31Z Mgiganteus 830x680 (104954 Bytes) corrected Polish text to "Ankylosauria"
    • 2008-10-12T21:14:13Z Zureks 830x680 (110729 Bytes) '
    • 2008-10-12T21:02:59Z Zureks 830x680 (110716 Bytes) {{Information |Description={{en|1=Evolution of dinosaurs. Typical silhouettes are shown in black. At the bottom of the image red colour shows the differences in the pubis bone. Drawing based on the Polish encyklopedia: Wiel

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current19:47, 23 March 2009Thumbnail for version as of 19:47, 23 March 20091,390 × 930 (98 KB)Woudloper (talk | contribs){{Information |Description={{en|1=Evolution of dinosaurs. Typical silhouettes are shown in black. At the bottom of the image red colour shows the differences in the pubis bone. Drawing based on the Polish encyklopedia: Wielka Encyklopedia PWN, tom 7, st

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