https://gcmdservices.gsfc.nasa.gov/kms/concept/20a0db39-423d-4fd9-a89c-7f760d14f844
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definition | The Bashkirian is the lowest stage or oldest age of the Pennsylvanian. The Bashkirian age lasted from 323.2 to 315.2 Ma, is preceded by the Serpukhovian and is followed by the Moscovian. | ||||||
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in scheme | chronounits original |