Paleozoic Era Turnej Base of Middle Mississippian Base of Visean Turnaisiano tournaisi tournaisij Turnėjis International Chronostratigraphic Chart (2017) Phanerozoic Eon tournasiano Visean Age Mississippian Sub-period older bound -358.9 +|-0.4 Ma Tournaisium Lower Mississippian Epoch Tournasium younger bound -346.7 +|-0.4 Ma Tournaisiën Турней tournas turnén a1.1.3.2.2.3 Middle Mississippian Epoch Early Mississippian 杜内期 Tournai Tournaisien Tournaisien Upper Devonian Epoch Tournaisiense Tournais Tournais Base of Carboniferous Tournaisian Famennian Age Devonian Period Carboniferous Period Tournaisian Age トルネージアン期