Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction ...

Professor Janis said, "The vegetational habitat was more important for the course of Cretaceous mammalian evolution than any ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed.

You might know the Cretaceous Period for big animals such as Tyrannosaurus rex and Triceratops, or for being the end of the age of dinosaurs. But what was the world like in the millions of years ...

Learn more about the mammalian transition from arboreal to terrestrial life, which began millions of years before the arrival ...

The evidence was gathered from bone articular fragments of therian mammals, which includes marsupials and placentals.

Researchers examined small fossilized limb bone fragments from marsupial and placental mammals in Western North America.

During this period, oceans formed as land shifted and broke out of one big supercontinent into smaller ones. 3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and ...

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