538.8 - 485.4 Ma
The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
There are intervals in 12 timescales which overlap this one. show
- International Chronostratigraphic Timescale: Stage 3 age, Drumian age, Stage 10 age, Miaolingian epoch, Stage 2 age, Guzhangian age, Furongian epoch, Series 2 epoch, Paibian age, Terreneuvian epoch, Fortunian age, Jiangshanian age, Wuliuan age, Stage 4 age
- Obsolete Names for ICS Units: Series 3 epoch, Stage 5 age
- Cambrian Epochs: Early Cambrian epoch, Middle Cambrian epoch, Late Cambrian epoch
- Ordovician of the Baltic: Pakerort age, Oeland epoch
- Ordovician of North America: Skullrockian age, Ibexian epoch
- Cambrian of China: Jinnigian age, Nangaoian age, Meishucunian age, Niuchehean age, Duyunian age, Youshuanian age, Waergangian age, Taijangian age, Wangcunian age, Taoyuanian age
- Cambrian of Australia: Floran age, Templetonian age, Undillan age, Boomerangian age, Ordian age, Iverian age, Mindyallan age, Payntonian age, Datsonian age, Idamean age
- Cambrian of Siberia: Aksaian age, Nemakit-Daldynian age, Botomian age, Tavgian age, Sakian age, Nganasanian age, Amgan age, Mayan age, Batyrbaian age, Ayusokkanian age, Ensyan age, Solvan age, Tommotian age, Lenian age, Ketyan age, Toyonian age, Menevian age, Atdabanian age, Maduan age, Yurakian age
- Cambrian of Kazakhstan: Zhanaarykian age, Tuesaian age
- Cambrian of North America: Dyeran age, Montezuman age, Delamaran age, Dresbachian age, Franconian age, Topazan age, Millardan age, Albertian age, Sunwaptan age, Begadean age, Marjumian age, Steptoean age, Waucoban age
- Cambrian of West Avalonia: Arcadian age, Placentian age, Branchian age
- Cambrian of Britain: Dolgellian age, Maentwrogian age, Trempealeauan age
This interval is used in the definition of 109 collections
A total of 7905 collections with 47439 occurrences lie within this time span