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Ordovician Period
The Ordovician lasted for 47 million years from 490 to 443 Million Years Ago.
there was plate tectonic movement
The Ordovician period came first. It started 485.4 million years ago and finished 443.8 million years ago. Then came the Silurian and Devonian periods, followed at 358.9 million years ago by the Carboniferous.
Such is known as its climate.
The climate was fairly warm!
qwety
The weather in the Ordovician Era was very damp weather, but also, as the era continued, it grew relativley warm.The sudden change in weather caused mass extinction. Then all of the microscopic animals began to show up.
The Silurian period.
Ordovician .
Ordovician Period
copper
The Ordovician Period
Cambrain
Ordovician period
Ordovician Period
Ordovician Period