File:Tyrannosauridae forelimb proportions.png

Summary

Comparison of forelimb element proportions (Humerus-Radius-Metacarpal II-Ph II-1-Ph II-2) between different genera of the theropod dinosaur family Tyrannosauridae.

Legend:

•     Humerus
•     Radius
•     Metacarpal II
•     Phalanx II-1
•     Phalanx II-2

• <a href="//commons.wikimedia.org/wiki/Daspletosaurus" title="Daspletosaurus">Daspletosaurus</a> torosus (based on the holotype specimen CMN 8506).^{<a href="#cite_note-1">[1]</a>}
• <a href="//commons.wikimedia.org/wiki/Tarbosaurus" class="mw-redirect" title="Tarbosaurus">Tarbosaurus</a> efremovi (based on specimen PIN 552-1).^{<a href="#cite_note-2">[2]</a>}Tarbosaurus had the proportionarly shortest forelimbs of all tyrannosaurids.
• <a href="//commons.wikimedia.org/wiki/Tyrannosaurus_rex" class="mw-redirect" title="Tyrannosaurus rex">Tyrannosaurus rex</a> (based on the specimen FMNH PR3081, also known as “Sue”).^{<a href="#cite_note-3">[3]</a>}

References

1. <a href="#cite_ref-1">↑</a> dinodata.org: <a rel="nofollow" class="external text" href="http://www.dinodata.org/index.php?option=com_content&task=view&id=6450&Itemid=67">"Daspletosaurus torosus"</a>, 23-1-2011.
2. <a href="#cite_ref-2">↑</a> Maleev E.A., (1974), <a rel="nofollow" class="external text" href="http://www.paleoglot.org/files/Maleev_74.pdf">"Mesozoic and Cenozoic Faunas and Biostratigraphy"</a>, The Joint Soviet-Mongolian Paleontological Expedition, Transactions 1: p. 132-191.
3. <a href="#cite_ref-3">↑</a> dinodata.org: <a rel="nofollow" class="external text" href="http://www.dinodata.org/index.php?option=com_content&task=view&id=7573&Itemid=67">"Tyrannosaurus rex"</a>, 23-1-2011.

Licensing

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