The Mississippian ( MISS-iss-IP-ee-ən), also known as Lower Carboniferous or Early Carboniferous, is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earlier of two subperiods of the Carboniferous period lasting from roughly 358.86 to 323.4 million years ago.
The Mississippian ( MISS-iss-IP-ee-ən), also known as Lower Carboniferous or Early Carboniferous, is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earlier of two subperiods of the Carboniferous period lasting from roughly 358.86 to 323.4 million years ago.
Source: Wikipedia "Mississippian (geology)" · CC BY-SA 4.0
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