Age · Late Pennsylvanian
Kasimovian
307–304 Ma
The Kasimovian is an age within the Late Pennsylvanian, spanning roughly 307 to 304 million years ago.
| Rank | age· Macrostrat |
|---|---|
| Base | 307 Ma· Macrostrat |
| Top | 304 Ma· Macrostrat |
| Duration | 3.3 Myr· Macrostrat |
| Chart | ICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables) |
Elsewhere
- Macrostrat: 87
- PBDB: 50
- ICS chart (stratigraphy.org)
- Wikipedia: Kasimovian
Cite this article
Stratum Study. "Kasimovian" (Time interval). Stratum Study pack 2026.09, as of 2026-09-19. https://stratum.black/study/time/kasimovian. Accessed 2026-09-20.
@misc{stratum-kasimovian,
title = {Kasimovian},
author = {{Stratum Study}},
howpublished = {\url{https://stratum.black/study/time/kasimovian}},
year = {2026},
note = {Time interval article, Stratum Study pack 2026.09, as of 2026-09-19; sources: stratum, macrostrat, pbdb. Accessed 2026-09-20.}
} Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.