PaleontologybioRxiv
Relict duck-billed dinosaurs survived into the last age of the dinosaurs in subantarctic Chile
J. Alarcon-Munoz, A. O. Vargas, H. Püschel…·P. Cruzado-Caballero
This paper describes a new subantarctic duck-billed dinosaur species from Chile that survived into the Maastrichtian, suggesting earlier arrival of its lineage in South America than hadrosaurids.