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: Furongian epoch, Series 2 epoch, Guzhangian age, Miaolingian epoch, Stage 2 age, Stage 10 age, Drumian age, Stage 3 age, Stage 4 age, Wuliuan age, Jiangshanian age, Fortunian age, Terreneuvian epoch, Paibian age
- Obsolete Names for ICS Units: Series 3 epoch, Stage 5 age
- Cambrian Epochs: Middle Cambrian epoch, Early Cambrian epoch, Late Cambrian epoch
- Ordovician of the Baltic: Pakerort age, Oeland epoch
- Ordovician of North America: Skullrockian age, Ibexian epoch
- Cambrian of China: Duyunian age, Niuchehean age, Nangaoian age, Jinnigian age, Meishucunian age, Wangcunian age, Taoyuanian age, Waergangian age, Taijangian age, Youshuanian age
- Cambrian of Australia: Ordian age, Boomerangian age, Floran age, Undillan age, Templetonian age, Datsonian age, Idamean age, Mindyallan age, Payntonian age, Iverian age
- Cambrian of Siberia: Ayusokkanian age, Batyrbaian age, Amgan age, Nganasanian age, Mayan age, Sakian age, Tavgian age, Nemakit-Daldynian age, Botomian age, Aksaian age, Yurakian age, Ketyan age, Menevian age, Toyonian age, Atdabanian age, Maduan age, Lenian age, Ensyan age, Solvan age, Tommotian age
- Cambrian of Kazakhstan: Tuesaian age, Zhanaarykian age
- Cambrian of North America: Millardan age, Albertian age, Topazan age, Franconian age, Dresbachian age, Delamaran age, Dyeran age, Montezuman age, Waucoban age, Steptoean age, Begadean age, Marjumian age, Sunwaptan age
- Cambrian of West Avalonia: Placentian age, Arcadian age, Branchian age
- Cambrian of Britain: Trempealeauan age, Maentwrogian age, Dolgellian age
This interval is used in the definition of 109 collections
A total of 7906 collections with 47442 occurrences lie within this time span