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: Terreneuvian epoch, Paibian age, Fortunian age, Stage 4 age, Wuliuan age, Jiangshanian age, Stage 3 age, Stage 10 age, Drumian age, Stage 2 age, Miaolingian epoch, Furongian epoch, Series 2 epoch, Guzhangian age
- Obsolete Names for ICS Units: Stage 5 age, Series 3 epoch
- Cambrian Epochs: Late Cambrian epoch, Early Cambrian epoch, Middle Cambrian epoch
- Ordovician of the Baltic: Oeland epoch, Pakerort age
- Ordovician of North America: Ibexian epoch, Skullrockian age
- Cambrian of China: Youshuanian age, Waergangian age, Taijangian age, Taoyuanian age, Wangcunian age, Nangaoian age, Jinnigian age, Meishucunian age, Duyunian age, Niuchehean age
- Cambrian of Australia: Iverian age, Mindyallan age, Payntonian age, Idamean age, Datsonian age, Floran age, Undillan age, Templetonian age, Boomerangian age, Ordian age
- Cambrian of Siberia: Solvan age, Ensyan age, Tommotian age, Lenian age, Atdabanian age, Ketyan age, Toyonian age, Menevian age, Maduan age, Yurakian age, Nemakit-Daldynian age, Botomian age, Aksaian age, Sakian age, Tavgian age, Ayusokkanian age, Batyrbaian age, Amgan age, Nganasanian age, Mayan age
- Cambrian of Kazakhstan: Zhanaarykian age, Tuesaian age
- Cambrian of North America: Sunwaptan age, Begadean age, Marjumian age, Waucoban age, Steptoean age, Dyeran age, Montezuman age, Dresbachian age, Delamaran age, Topazan age, Franconian age, Millardan age, Albertian age
- Cambrian of West Avalonia: Placentian age, Arcadian 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