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Showing results for tags 'albertosaurus sarcophagus'.
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Hi, guys. Does anyone have some high-quality images of Albertosaurus sarcophagus skulls (or maxilla /dentary)? please. and the following images were my sharing, which I found on the internet. Thanks for your guys' sharing. have a lovely day guys.
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On Saturday Oct 5, Tyrannosaurus rex celebrated its 114 birthday when it was formally named by H F Osborne in his 1905 paper: Osborn, H. F. (1905). "Tyrannosaurus and other Cretaceous carnivorous dinosaurs". Bulletin of the AMNH. 21 (14): 259–265. hdl:2246/1464. Retrieved October 6, 2008. One little known fact was that Albertosaurus sarcophagus was also formally named on the last page of that paper based on this skull.
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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 Great photos in this paper...good reference material for use in comparative ID's Example:
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