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T. rex ontogenetic comparison
 


Two teeth from Tyrannosaurus rex at different growth stages. The adult is a replica of a posterior right dentary tooth of Stan. The baby/juvenile is also a posterior tooth (about 6 mm long), found in the Hell Creek Fm. (more info: http://www.thefossilforum.com/index.php?/collections-database/chordata/dinosaurs/baby-t-rex-tooth-r1992/). It could also be a dentary tooth based on the wear patterns, but I'm not sure.

 


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Dinosaurs

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Taken with Apple iPad Pro (10.5-inch)

  • 4 mm
  • 1/30
  • f f/1.8
  • ISO 125
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