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Diminutive fleet-footed tyrannosauroid narrows the 70-million-year gap in the North American fossil record

To date, eco-evolutionary dynamics in the ascent of tyrannosauroids to top predator roles have been obscured by a 70-million-year gap in the North American (NA) record. Here we report discovery of the oldest Cretaceous NA tyrannosauroid, extending the lineage by ~15 million years. The new taxon—Moro...

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Detalles Bibliográficos
Autores principales: Zanno, Lindsay E., Tucker, Ryan T., Canoville, Aurore, Avrahami, Haviv M., Gates, Terry A., Makovicky, Peter J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6385174/
https://www.ncbi.nlm.nih.gov/pubmed/30820466
http://dx.doi.org/10.1038/s42003-019-0308-7