Skeletal remains of Late Cretaceous (Campanian and Maastrichtian) tyrannosauroids are rare in southwestern North America (Carr and Williamson, 2000). Historically, the identity and diversity of sou...
No takes yet. Share an insight, caveat, or question.
Carr et al. (2010) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: