Science ❯ Biology ❯ Evolution ❯ Extinction

Cretaceous Period

Giant Cretaceous Octopuses Identified From 27 Fossil Beaks

Jaw wear with large size estimates in a Science study suggests octopuses shared apex roles.

Mosasaurs Lived in Rivers Near the End of the Cretaceous, Isotope Study Finds

Newly Described Cretaceous Bird Likely Choked on 800 Stones, Study Finds

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