Tropical sea to ice age 444 million years BCE
ORDOVICIAN
SILURIAN
419 million years BCE
359 million years BCE
DEVONIAN
CARBONIFEROUS
36
299 million years BCE
PERMIAN
252 million
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Tropical sea to ice age 444 million years BCE
ORDOVICIAN
SILURIAN
419 million years BCE
359 million years BCE
DEVONIAN
CARBONIFEROUS
36
299 million years BCE
PERMIAN
252 million