History ❯ Natural History ❯ Extinction Events ❯ Cretaceous-Paleogene Extinction

Impact on Dinosaurs

Scientists Describe Kostensuchus Atrox, a Dinosaur‑Eating Croc Relative From Patagonia

An exceptionally complete skull from Argentina’s Chorrillo Formation reveals the anatomy of a broad‑snouted peirosaurid that shaped late‑Cretaceous predator communities.