The new research is the first to look back at early mammals in full color. Using advanced fossil imaging methods and a ...

and existed during the Late Cretaceous Period of Laurasia, though some have reportedly been identified as being from the Lower Cretaceous Wonthaggi Formation of Australia. The researchers note ...

The area is built on weakly cemented sandstones, which formed during the Lower Cretaceous period more than 100 million years ago, that can be eroded by running water, Andrew Farrant, a geologist ...