Maastrichtian

Mesozoic 72.1–66.0 Mya 0 恐竜

The final stage of the Cretaceous and the last age of non-avian dinosaurs. Tyrannosaurus rex, Triceratops, Edmontosaurus, and Ankylosaurus lived during this time, right up until the K-Pg extinction event.

この時代の恐竜はまだいません。