Australian Regional
34International timescale
Silurian
Llandovery
Telychian
Aeronian
Rhuddanian
Ordovician
Late Ordovician
Hirnantian
Katian
Sandbian
Middle Ordovician
Darriwilian
Dapingian
Early Ordovician
Floian
Tremadocian
Cambrian
Furongian
Stage 10
Jiangshanian
Paibian
Miaolingian
Guzhangian
Drumian
Wuliuan
Series 2
Stage 4
Australian Regional
Keiloran
Bolindian
Eastonian
Gisbornian
Darriwilian
Yapeenian
Castlemainian
Chewtonian
Bendigonian
Lancefieldian
Warendan
Datsonian
Payntonian
Iverian
Idamean
Mindyallan
Boomerangian
Undillan
Floran
Templetonian
Ordian
