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
<ul><li><a href="//commons.wikimedia.org/wiki/File:Evolution_of_dinosaurs_EN.svg" title="File:Evolution of dinosaurs EN.svg">Evolution_of_dinosaurs_EN.svg</a>: *<a href="//commons.wikimedia.org/wiki/File:Evolution_of_dinosaurs_by_Zureks.svg" title="File:Evolution of dinosaurs by Zureks.svg">Evolution_of_dinosaurs_by_Zureks.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Zureks" title="User:Zureks">Zureks</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Woudloper" title="User:Woudloper">Woudloper</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Woudloper" title="User talk:Woudloper"><span class="signature-talk">talk</span></a>)</li>
<li>derivative work: <a href="//commons.wikimedia.org/w/index.php?title=User:Bassem&amp;action=edit&amp;redlink=1" class="new" title="User:Bassem (page does not exist)">Bassem</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Bassem" class="mw-redirect" title="User talk:Bassem"><span class="signature-talk">talk</span></a>)</li></ul>
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<ul><li><a href="//commons.wikimedia.org/wiki/File:Evolution_of_dinosaurs_EN.svg" title="File:Evolution of dinosaurs EN.svg">Evolution_of_dinosaurs_EN.svg</a></li></ul>