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 2 age, Miaolingian epoch, Series 2 epoch, Furongian epoch, Guzhangian age, Stage 3 age, Stage 10 age, Drumian age, Stage 4 age, Wuliuan age, Jiangshanian age, Terreneuvian epoch, Paibian age, Fortunian 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: Meishucunian age, Nangaoian age, Jinnigian age, Duyunian age, Niuchehean age, Taoyuanian age, Wangcunian age, Youshuanian age, Taijangian age, Waergangian age
- Cambrian of Australia: Ordian age, Undillan age, Templetonian age, Floran age, Boomerangian age, Idamean age, Datsonian age, Iverian age, Payntonian age, Mindyallan age
- Cambrian of Siberia: Sakian age, Tavgian age, Ayusokkanian age, Batyrbaian age, Mayan age, Amgan age, Nganasanian age, Botomian age, Nemakit-Daldynian age, Aksaian age, Maduan age, Atdabanian age, Ketyan age, Toyonian age, Menevian age, Yurakian age, Tommotian age, Solvan age, Ensyan age, Lenian age
- Cambrian of Kazakhstan: Tuesaian age, Zhanaarykian age
- Cambrian of North America: Topazan age, Franconian age, Albertian age, Millardan age, Montezuman age, Dyeran age, Dresbachian age, Delamaran age, Waucoban age, Steptoean age, Sunwaptan age, Marjumian age, Begadean age
- Cambrian of West Avalonia: Branchian age, Placentian age, Arcadian age
- Cambrian of Britain: Maentwrogian age, Trempealeauan age, Dolgellian age
This interval is used in the definition of 109 collections
A total of 7905 collections with 47439 occurrences lie within this time span