The Cretaceous-Tertiary Mass Extinction: What Really Killed the Dinosaurs? (2015)

Mass extinction facts and information from National Geographic

SOLVED: Describe the evidence for the cause of the Cretaceous–Paleogene (K–Pg) mass extinction. | Numerade

Why did the dinosaurs go extinct?

The Cretaceous Period: Major Events, Animals, and When It Lasted

The hit-and-run model for the Cretaceous-Paleogene North America Cordillera: Implications from Mexic

Earth's History | What Happens After a Meteorite Impact? | Britannica