A newly discovered fossil from China has shed light on how a bizarre mammal that lived around 160 million years ago managed to survive a mass extinction event that wiped out many other species.

The mammal, called Juramaia sinensis, was a small, shrew-like creature that had a number of unusual features, including a long tail, a flexible neck, and five-fingered hands. It was also one of the earliest mammals to give birth to live young, rather than laying eggs.

Juramaia lived during the Late Jurassic period, a time when the Earth was experiencing a period of rapid climate change and rising sea levels. This led to the extinction of many species, including the dinosaurs. However, Juramaia managed to survive, and its descendants eventually gave rise to all modern mammals.

The new fossil, which was found in the Liaoning Province of China, provides important new information about Juramaia's anatomy and lifestyle. It shows that Juramaia was a highly specialized animal that was well-adapted to its environment. For example, its long tail helped it to balance and climb, while its flexible neck allowed it to reach food in difficult places.

The fossil also provides evidence that Juramaia was a social animal that lived in groups. This suggests that cooperation may have been an important factor in Juramaia's survival.

The discovery of the Juramaia fossil is a significant breakthrough in our understanding of mammalian evolution. It provides important new evidence about how mammals survived the mass extinction event that wiped out the dinosaurs, and it helps to shed light on the origins of modern mammals.