Geologic time scale
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14 Terms
when did the cenozoic era end
it hasnt ended, present day
when did the cenozoic era begin
it began 66 ma
when did the mesozoic era end
it ended 66ma
when did the mesozoic era begin
it began 251 ma
when did the paleozoic era end
it ended 251 ma
when did the paleozoic era begin
it begain 542 ma
when did the proterozoic era end
it ended 542 ma
when did the proterozoic era begin
2500ma
when did the pleistocene epoch end and begin
it ended 12,000 years ago, it began 2.6 million years ago
when did the holocene epoch end and begin
it hasnt ended, it began 12,000 years ago
when did the paleocene epoch end and begin
it ended 55.8 ma and begain 66 ma
what is the order of periods in the mesozoic era from oldest to youngest
triassic, jurassic, cretaceous
when did the cambrian period end and begin
it ended 488 ma and begain 542ma
when did the permian period end and begin
it ended 251 ma and began 299 ma
Note 
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