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 10 age, Stage 4 age, Guzhangian age, Series 2 epoch, Terreneuvian epoch, Miaolingian epoch, Paibian age, Wuliuan age, Furongian epoch, Fortunian age, Jiangshanian age, Stage 2 age, Stage 3 age, Drumian age
- Obsolete Names for ICS Units: Stage 5 age, Series 3 epoch
- Cambrian Epochs: Early Cambrian epoch, Late Cambrian epoch, Middle Cambrian epoch
- Ordovician of the Baltic: Pakerort age, Oeland epoch
- Ordovician of North America: Ibexian epoch, Skullrockian age
- Cambrian of China: Waergangian age, Duyunian age, Jinnigian age, Niuchehean age, Taoyuanian age, Meishucunian age, Nangaoian age, Youshuanian age, Taijangian age, Wangcunian age
- Cambrian of Australia: Idamean age, Mindyallan age, Undillan age, Iverian age, Ordian age, Templetonian age, Floran age, Datsonian age, Payntonian age, Boomerangian age
- Cambrian of Siberia: Menevian age, Tavgian age, Ayusokkanian age, Ketyan age, Mayan age, Batyrbaian age, Amgan age, Solvan age, Nemakit-Daldynian age, Tommotian age, Yurakian age, Atdabanian age, Sakian age, Nganasanian age, Aksaian age, Maduan age, Ensyan age, Lenian age, Toyonian age, Botomian age
- Cambrian of Kazakhstan: Tuesaian age, Zhanaarykian age
- Cambrian of North America: Topazan age, Franconian age, Marjumian age, Steptoean age, Albertian age, Dyeran age, Dresbachian age, Sunwaptan age, Waucoban age, Millardan age, Montezuman age, Begadean age, Delamaran age
- Cambrian of West Avalonia: Arcadian age, Branchian age, Placentian age
- Cambrian of Britain: Maentwrogian age, Trempealeauan age, Dolgellian age
This interval is used in the definition of 205 collections
A total of 7800 collections with 46775 occurrences lie within this time span