465.9 - 458 Ma

The definition of this interval in the timescale Ordovician of the Baltic is taken from the following source:

• B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 view

The bottom age has been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.

There are intervals in 7 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Darriwilian age, Late Ordovician epoch, Sandbian age, Middle Ordovician epoch
• Ordovician of Britain: Caradoc epoch, Llandeilo age, Late Llanvirn age, Llandeilian age, Abereiddian age, Middle Llandeilo age, Early Llandeilo age, Soudleyan age, Early Llanvirn age, Harnagian age, Costonian age, Late Llandeilo age, Llanvirn epoch, Aurelucian age
• Ordovician of the Baltic: Kunda age, Uhaku age, Aseri age, Oeland epoch, Lasnamagi age, Viru epoch
• Ordovician of Ibero-Bohemia: Bohdalec age, Vinice age, Zahorany age, Sarka age, Oretanian age, Berounian age, Dobrotivian age, Liben age, Letna age
• Ordovician of Australia: Gisbornian age
• Ordovician of China: Neichianshanian age, Guniu age, Hanjiang age, Xiaoxita age, Shikou age, Hulo age
• Ordovician of North America: Whiterockian epoch, Chazyan age, Canadian age, Marmor age

This interval is no longer in current use

This interval is used in the definition of 35 collections

A total of 2852 collections with 17223 occurrences lie within this time span