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