Katian age
453 - 445.2 Ma
The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
There are intervals in 7 timescales which overlap this one. show
This interval is used in the definition of 695 collections
A total of 5533 collections with 38395 occurrences lie within this time span
| International Chronostratigraphic Timescale | Ordovician of the Baltic | ||||||
|---|---|---|---|---|---|---|---|
| Ordovician | Late Ordovician | Hirnantian | Harju | Porkuni | 443.8 | ||
| Katian | Pirgu | 445.2 | |||||
| Vormsi | 449.6 * | ||||||
| Nabala | Johvi † | 450 * | |||||
| Viru | Rakvere | 450.6 * | |||||
| Oandu | 452 * | ||||||
| Sandbian | Keila | Idavere † | 453 | ||||
| Haljala | 453.9 | ||||||
| Kukruse | 456.4 * | ||||||
| Uhaku | Aluoja † | 457.5 * | |||||
| Middle Ordovician | Darriwilian | 458.4 | |||||
| Lasnamagi | 458.9 * | ||||||
| Aseri | 460.4 * | ||||||
| Oeland | Kunda | 462.9 * | |||||
| Valaste †/Hunderum | 464.3 * | ||||||
| Volkhov | Langevoja †/Vaana/Saka | 467.1 * | |||||
| Dapingian | 467.3 | ||||||
| Billingen | 469.3 * | ||||||
| Early Ordovician | Floian | 470 | |||||
| Latorp † | 470.1 * | ||||||
| Hunneberg | 473.7 * | ||||||
| Tremadocian | 477.7 | ||||||
| Varangu | 481.3 * | ||||||
| Pakerort | 482.2 * | ||||||
| 485.4 * | |||||||
| 486.3 | |||||||
| 486.5 | |||||||