Science ❯ Earth Sciences ❯ Geology
Jurassic Period Cretaceous Fossils Mesozoic Era Evolutionary Gaps Fossil Preservation Dinosaur Clades Dinosaur Evolution Dinosaur Fossils Grand Canyon Cretaceous Period Hell Creek Formation Miocene Epoch Ischigualasto Formation
Peer-reviewed finds refine timelines for key trait emergence, with evidence for a late-Carnian turnover linked to climate.