Which geological period is named after an ancient tribe which once inhabited South Wales?
Silurian period Ludfordian Lower Silurian Silurian System Llandovery epoch Early Silurian Upper Silurian Ludlow epoch Silurian climate Silurian system Gorstian Aeronian Pridoli epoch Silurian Era Telychian Rhuddanian Late Silurian Rhuddalian Ontarian stage Silurian Period Silurian Přídolí epoch Llandovery Series Silurian era
aeronian llandovery series ludfordian lower silurian ludlow epoch rhuddalian ontarian stage přídolí epoch upper silurian silurian system silurian climate early silurian silurian period late silurian gorstian silurian era silurian pridoli epoch rhuddanian telychian llandovery epoch
silurian
WikipediaEntity
Silurian