Phanerozoic Paleozoic
Mesozoic
Cenozoic
Cambrian Ordovician Surian Devenian
Carton
ferous
Permian Triassic
Jurassic
Cretaceous
Pales. Nec
gene gene
Quaternary
2.6 Ma
540 MA
488 Ma
444 Ma
416 Ma
359 Ma
299 Ma
251 Ma
202 Ma
146 Ma
65.5 Ma
23.0 Ma
19. The period was in the Mesozoic era, lasted for approximately 80.5
million years, and was preceded by the Jurassic period.
A. Carboniferous
B. Cretaceous
C. Paleogene
D. Triassic