The Paleozoic Era which ran from about 542 million years ago at the Era Cretaceous 65 millions years ago with the end of the Dinosaurs.
Actually, the Paleozoic Era ran from the Cambrian Period (the 540 million years you mentioned), to the end of the Permian Period (about 250 million years). The emergence of dinosaurs really didn't even begin until about the middle of the Triassic Period about 25 million years after that and the end of the Cretaceous where all the dinos died was then about 160 million years after.
All that dinosaur stuff happened during the Mesozoic Era.
Yes, my tittle was to start at a Era to end at a other but it is not that easy for me to find the exact word .
I want this game to start with the begenning of life to the end of the dinosaur.
540 million years To 66 million years.
Well, life really first appeared about 3.8 billion years ago with the emergence of the prokaryotes. So I think what you really mean is the period from the Cambrian Explosion to the end of the Cretaceous Period, which was the
Paleozoic and Mesozoic Eras, or the whole of the Phanerozoic Eon up to the beginning of the Cenozoic Era when mammals emerged from the P-K boundary to take over dominance filling the vacancy left by the dinos. Not to get all Asperger on you.