After a temperature spike in the mid-Cretaceous, the climate began to cool, and the tenor changed. Other creatures, such as frogs, salamanders, turtles, crocodiles, and snakes, proliferated on the ...

The Cretaceous-Palaeogene extinction 66 million years ago is possibly the most famous mass extinction event. It was caused by a large asteroid crash-landing off the coast of Mexico, which changed the ...

This highlights the heterogeneous nature of the environmental perturbations during this period and the role of volcanic activity in shaping the mid-Cretaceous climate. Another important study ...