470.1 - 464.3 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 top and bottom ages have 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: Floian age, Dapingian age, Middle Ordovician epoch, Early Ordovician epoch, Darriwilian age
• Ordovician of Britain: Abereiddian age, Early Llanvirn age, Llanvirn epoch, Fennian age, Arenig epoch
• Ordovician of the Baltic: Langevoja age, Kunda age, Hunderum age, Vaana age, Volkhov age, Billingen age, Oeland epoch, Saka age
• Ordovician of Ibero-Bohemia: Klabava age, Arenigian age, Sarka age, Oretanian age
• Ordovician of Australia: Castlemainian age, Chewtonian age, Yapeenian age
• Ordovician of China: Hulo age, Ningkuo age, Daobaowan age, Yiyangian age, Guniu age, Hunjiang age, Dawan age
• Ordovician of North America: Rangerian age, Cassinian age, Blackhillsian age, Jeffersonian age, Marmor age, Ibexian epoch, Whiterockian epoch, Canadian age, Chazyan age

This interval is no longer in current use

This interval is used in the definition of 77 collections

A total of 1192 collections with 5990 occurrences lie within this time span