Mississippiën a1.1.3.2.2 Bashkirian Age Base of Carboniferous Early Pennsylvanian Epoch Missisip Carboniferous Period ミシシッピアン紀 Paleozoic Era mississippij Famennian Age Phanerozoic Eon Mississippi Mississippi Visean Age Миѿиѿип Mississippiense 密西西比亚纪 mississippi mississippi Mississip younger bound -323.2 +|-0.4 Ma Base of Pennsylvanian Late Devonian Epoch Devonian Period Mississipiano Mississippian Mississippian Sub-period Late Mississippian Epoch mississip older bound -358.9 +|-0.4 Ma Serpukhovian Age Middle Mississippian Epoch Early Mississippian Epoch Pennsylvanian Sub-period Misisipis Geologic Time Scale (2020) Tournaisian Age Mississippium Mississippium Mississippien Mississippien mississippiano