Theropod, avian, pterosaur, and arthropod tracks from the uppermost Cretaceous Las Encinas Formation, Coahuila, northeastern Mexico, and their significance for the end-Cretaceous mass extinction - Stinnesbeck, Wolfgang; Zell, Patrick (The Geological Society of America bulletin, 2017)
Gesehen am 11.04.2017
First published online October 2016