Deinosuchus / Kritosaurus Postosuchus sharing its ecosystem with primitive

sharing its ecosystem with primitive hadrosaurs

with vegetation that included ferns

Factors such as climate change and the pressure exerted by the arrival of the first humans in America are thought to have contributed to its disappearance

Jaw and Teeth:

Deinosuchus / Kritosaurus Postosuchus sharing its ecosystem with primitiveEcological interactions and morphology of Deinosuchus and Kritosaurus during the Late Cretaceous of North America During the Late Cretaceous, approximately 8273 million years ago, the ecosystems of western North America supported significant faunal diversity, with the coexistence of two iconic genera: Deinosuchus , a large crocodilian, and Kritosaurus , a widespread herbivorous hadrosaurid. The combined study of both taxa provides a comprehensive view