Ordovician of Ibero-Bohemia

The interval definitions in this timescale are derived from the following sources:

  • F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
  • W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view

There are 10 timescales which overlap this one. show

Interval boundaries marked with * 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.

Interval names marked with † are no longer in current use.

This timescale is used in the definition of 535 collections

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International Chronostratigraphic TimescaleOrdovician of Ibero-Bohemia
OrdovicianLate OrdovicianHirnantianKosovian443.1
KatianKralodvorianBohdalec †445.2
Berounian450.1 *
Sandbian452.8
Zahorany †/ViniceLetna †457.3 *
Middle OrdovicianDarriwilian458.2
Liben †459.3 *
Dobrotivian459.7 *
Oretanian461 *
Sarka †463.3 *
Arenigian468
DapingianKlabava †469.4
Early OrdovicianFloian471.3
TremadocianTremadocian477.1
486.85