307 – 299 MA

Subepoch · Pennsylvanian

Late Pennsylvanian

307–299 Ma

The Late Pennsylvanian is a subepoch within the Pennsylvanian, spanning roughly 307 to 299 million years ago.

Ranksubepoch
Base307 Ma
Top299 Ma
Duration8.1 Myr
ChartICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables)

Elsewhere

Cite this article

Stratum Study. "Late Pennsylvanian" (Time interval). Stratum Study pack 2026.09, as of 2026-09-19. https://stratum.black/study/time/late-pennsylvanian. Accessed 2026-09-20.

@misc{stratum-late-pennsylvanian,
  title        = {Late Pennsylvanian},
  author       = {{Stratum Study}},
  howpublished = {\url{https://stratum.black/study/time/late-pennsylvanian}},
  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.

Sources for this article: Stratum editorial (Stratum editorial). As of 2026-09-19; Study pack 2026.09. Data reproduced under the licences shown; text in Stratum's own words unless a section names its source.

Found an error? Write to drew@tyr.ac with the article id interval:late-pennsylvanian.