Published in Cretaceous Research, the details of Mexidracon Longimanus point to a greater diversity of ornithomimosaurs in southern Laramidia. The lone specimen of Mexidracon comes from sediment ...

Its home was on the island continent Laramidia, which existed in what is now western North America. Artistic reimagining of a Lokiceratops. Screenshot from Lokiceratops rangiformis from the Campanian ...

rex that we have.” Loewen said the origins of Tyrannosaurs in Laramidia were debated, but he didn’t think the Asian origin hypothesis was likely. “The only way to cross is over the land bridge of ...