American Ninja Warrior turned into Jurassic Park when a “carnivore from the cretaceous period” invaded the obstacle course—a Tyrannosaurus Rex.

For the animals of the late cretaceous, S. electri was probably not very good eating.

However, that the jawbones of a cretaceous snake from North America suggest that it might be the earliest snake on record.

The amber deposits of northern Myanmar harbor one of the most diverse arrays of animals from the Cretaceous period.

“It’s ground zero of the Cretaceous extinction event.”

He suggests that scientists instead call this thick section between the Cretaceous and Paleogene an “event layer.”