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Legend (Economy/Chronology)

Chronology (0)
Archean Archean
Archean/Proterozoic Archean/Proterozoic
Calymmian Calymmian
Cenozoic Cenozoic
Ectasian Ectasian
Mesoarchean Mesoarchean
Mesozoic Mesozoic
Neoarchean Neoarchean
Orosirian Orosirian
Paleozoic Paleozoic
Rhyacian Rhyacian
Siderian Siderian
Statherian Statherian
Stenian Stenian