### Berounian age

458.5 - 449.7 Ma

The definition of this interval in the timescale Ordovician of Ibero-Bohemia is taken from the following source:

- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020.
*Geologic Time Scale 2020*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

This interval is used in the definition of 85 collections

A total of 5994 collections with 46524 occurrences lie within this time span

International Chronostratigraphic Timescale | Ordovician of Ibero-Bohemia | ||||||
---|---|---|---|---|---|---|---|

Ordovician | Late Ordovician | Hirnantian | Kosovian | 443.8 | |||

Katian | Kralodvorian | Bohdalec † | 445.2 | ||||

Berounian | 449.7 * | ||||||

Sandbian | 453 | ||||||

Zahorany †/Vinice | Letna † | 456.2 * | |||||

Liben † | 458 * | ||||||

Middle Ordovician | Darriwilian | 458.4 | |||||

Dobrotivian | 458.5 * | ||||||

Oretanian | 459.7 * | ||||||

Sarka † | 461.7 * | ||||||

Dapingian | Klabava † | 467.3 | |||||

Arenigian | 468 | ||||||

Early Ordovician | Floian | 470 | |||||

Tremadocian | Tremadocian | 477.7 | |||||

485.4 |