#2990: Late Cenozoic explain

[Three squid-like aliens in a classroom; one alien stands in front of a board covered with minute text and a drawing of a T-Rex skeleton. Two aliens sit on stools watching the teacher alien. The teacher alien on the left is on a raised platform and points at the board with one tentacle.]

Left alien: Species such as triceratops and tyrannosaurus became more rare after the Cretaceous, but they survived to flourish in the late Cenozoic, 66 million years later.

Left alien: Many complete skeletons have been discovered from this era.

[Caption below the panel:]

It’s going to be really funny when our museums get buried in sediment.