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Problematic Tyrannosaurid in Horseshoe Canyon Fm


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Good to see this put to bed.

Abstract says it all...abbreviated...

Several published censuses have noted the presence of two tyrannosaurids, Daspletosaurus sp. and Albertosaurus sarcophagus, within the Upper Cretaceous Horseshoe Canyon Formation of Alberta............Although none of these methods individually provides convincing evidence regarding the affinities of the specimen, together (and including other historical and biostratigraphic considerations) they strongly imply that the skeleton instead pertains to a young A. sarcophagus. In this way, we show that only a single species of tyrannosaurid is definitively present in the Horseshoe Canyon Formation.....

 

 

 

https://onlinelibrary.wiley.com/doi/10.1002/ar.24199#.XRitpqp2V8E.twitter

 

 

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Great photos in this paper...good reference material for  use in comparative ID's 

Example:

Screenshot_20190630-120544.thumb.jpg.3a5381c5fe493d15cace87c94b96bb91.jpg

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