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 436.0 ± 1.9
Ma and 428.2 ± 2.3 Ma (million years ago), approximately. The Telychian age succeeds the
Aeronian age and precedes the
Sheinwoodian age.