When1: -345000000
When2: -280000000
Who: Carboniferous
What: era
Where: Earth
Detail: Forests were at maximum. Amphibians were dominant. Reptiles began. Crust down-folded. Appalachian Mountains formed in east USA. Cordilleran Mountains formed in Spain, north Africa, Greece, Turkey, India, and Burma.
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Date Modified: 2022.0224