458 – 453 MA

Age · Late Ordovician

Sandbian

458–453 Ma

The Sandbian is an age within the Late Ordovician, spanning roughly 458 to 453 million years ago.

Rankage· Macrostrat
Base458 Ma· Macrostrat
Top453 Ma· Macrostrat
Duration5.4 Myr· Macrostrat
ChartICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables)

Elsewhere

Cite this article

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

@misc{stratum-sandbian,
  title        = {Sandbian},
  author       = {{Stratum Study}},
  howpublished = {\url{https://stratum.black/study/time/sandbian}},
  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.

Sources for this article: Stratum editorial (Stratum editorial);Macrostrat (CC-BY-4.0);Paleobiology Database (CC-BY-4.0). 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:sandbian.