A Probable Tyrannosaurid Track from the Hell Creek Formation (Upper Cretaceous), Montana, United States

@inproceedings{Manning2008APT,
  title={A Probable Tyrannosaurid Track from the Hell Creek Formation (Upper Cretaceous), Montana, United States},
  author={Phillip L. Manning and Christopher J Ott and Peter L. Falkingham},
  year={2008}
}
Abstract Large theropod tracks have previously been attributed to Tyrannosaurus rex. Most identifications however, have not been supported by either clear comparison with T. rex osteology or the stratigraphic position of the track. There is a conspicuous absence of tracks in the Upper Cretaceous (Maastrichtian) Hell Creek, Lance, Scollard, Frenchman, and Denver Formations (Lancian, North American Land Mammal Age), where T. rex body fossils have been found. A large tridactyl track is described… 
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