Subepoch · Mississippian
Middle Mississippian
347–331 Ma
The Middle Mississippian is a subepoch within the Mississippian, spanning roughly 347 to 331 million years ago.
| Rank | subepoch |
|---|---|
| Base | 347 Ma |
| Top | 331 Ma |
| Duration | 15.8 Myr |
| Chart | ICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables) |
Elsewhere
Cite this article
Stratum Study. "Middle Mississippian" (Time interval). Stratum Study pack 2026.09, as of 2026-09-19. https://stratum.black/study/time/middle-mississippian. Accessed 2026-09-20.
@misc{stratum-middle-mississippian,
title = {Middle Mississippian},
author = {{Stratum Study}},
howpublished = {\url{https://stratum.black/study/time/middle-mississippian}},
year = {2026},
note = {Time interval article, Stratum Study pack 2026.09, as of 2026-09-19; sources: stratum. 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.