Triceratops lived in the Cretaceous period.
It live on Late Jurassic Period, 154-150Ma.
we currently live in the Quaternary period, the period of humans. If you do not trust this answer, please go to chacha.com/answers We live in the age of modern science thanks Ebony
the critatios period
Ordovician Period
Cretaceous period,
Cretaceous period
they lived in the cretaceous period
We live in the Quaternary period, which is part of the Cenozoic era.
the brachiosaurus lived in the Jurassic period
It lived in the Jurassic period.
Parasaurolophus lived in the Cretaceous period.
the Jurassic Period