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A new paper is available online if you're interested:


Claudia Inés Serrano-Brañas; Belinda Espinosa-Chávez; S. Augusta Maccracken; Cirene Gutiérrez-Blando; Claudio de León-Dávila; José Flores Ventura (2020). Paraxenisaurus normalensis, a large deinocheirid ornithomimosaur from the Cerro del Pueblo Formation (Upper Cretaceous), Coahuila, Mexico. Journal of South American Earth Sciences. in press: Article 102610. doi:10.1016/j.jsames.2020.102610.


Paraxenisaurus constitutes the first record of Deinocheiridae in North America,  and it also represents the second ornithomimosaur to be described from Mexico ("Saltillomimus" is waiting to be published). The question now is whether a number of specimens found in the late Campanian-Maastrichtian of New Mexico assigned to Ornithomimidae could be similar to Deinocheirus and Paraxenisaurus.

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