Telychian Age Phanerozoic Eon Ludlow Epoch Base of Ludlow Wenlok Silurian Period Wenlock Wenlock Wenlock Sheinwoodian Age Base of Wenlock Wenlock Wenlock Wenlock Wenlock Wenlock Wenlock Wenlock wenlockiano Geologic Time Scale (2018) Венлок Homerian Age younger bound -427.4 +|-0.5 Ma Welnlock Wenlock Epoch older bound -433.4 +|-0.8 Ma 温洛克世 a1.1.3.4.3 wenlock wenlock wenlockij ウェンロッキアン世 wenlocki Gorstian Age Llandovery Epoch Paleozoic Era Uenlokis