Kralodvorian age - Kosovian age
| 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 | |||||||