The Cretaceous period was part of the Mesozoic era.
The dinosaurs lived in the Mesozoic Era, which includes the Triassic, Jurassic, and Cretaceous periods. The first dinosaurs appeared in the late Triassic and went extinct at the end of the Cretaceous.
The Paleocene, which is the first (oldest) part of the Cenozoic Era, as the Cretaceous was the last of the Mesozoic Era.
Mesozoic Era
cretaceous
mesozoic
It is the final period of the Mesozoic era.
The Mesozoic era, which included the Triassic, Jurassic, and Cretaceous.
Carnotaurus lived in the Cretaceous period of the Mesozoic era.
The period after the Cretaceous is the Paleogene period, which is part of the Cenozoic era. It includes the Paleocene, Eocene, and Oligocene epochs.
deciduous trees
cretaceous,jurassic, and triassic