Ibexian epoch
487.5 - 470 Ma
The definition of this interval in the timescale Ordovician of North America 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
There are intervals in 14 timescales which overlap this one. show
This interval is used in the definition of 54 collections
A total of 4559 collections with 21798 occurrences lie within this time span
International Chronostratigraphic Timescale | Ordovician of North America | ||||||||
---|---|---|---|---|---|---|---|---|---|
Ordovician | Late Ordovician | Hirnantian | Cincinnatian | Gamachian | 443.8 | ||||
Katian | 445.2 | ||||||||
Richmondian | 446 * | ||||||||
Maysvillian | Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian | 449.8 * | |||||||
Edenian | 450.4 * | ||||||||
Mohawkian | Chatfieldian | 451.1 * | |||||||
Sandbian | 453 | ||||||||
Turinian | 453.7 * | ||||||||
Whiterockian | Canadian † | Chazyan †/Marmor | 457 * | ||||||
Middle Ordovician | Darriwilian | 458.4 | |||||||
Dapingian | 467.3 | ||||||||
Rangerian | 469.1 * | ||||||||
Early Ordovician | Floian | Ibexian | Blackhillsian | Jeffersonian † | Cassinian † | 470 | |||
Tulean | 473.9 * | ||||||||
Tremadocian | 477.7 | ||||||||
Stairsian | 480.3 * | ||||||||
Skullrockian | Demingian † | 482 * | |||||||
Cambrian | Furongian | Stage 10 | 485.4 | ||||||
487.5 |