 Telychian

In the geologic timescale, the Telychian is the age of the Llandovery epoch of the Silurian period of the Paleozoic era of the Phanerozoic eon that is comprehended between 438.5 ± 1.2 Ma and 433.4 ± 0.8 Ma (million years ago), approximately.The Telychian age succeeds the Aeronian age and precedes the Sheinwoodian age.