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184 – 175 MA

Age · Early Jurassic

Toarcian

184–175 Ma

The Toarcian is an age within the Early Jurassic, spanning roughly 184 to 175 million years ago.

Rankage· Macrostrat
Base184 Ma· Macrostrat
Top175 Ma· Macrostrat
Duration9.5 Myr· Macrostrat
ChartICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables)

Formations

Part of

Elsewhere

Cite this article

Stratum Strata. "Toarcian" (Time interval). Stratum Strata pack 2026.09, as of 2026-09-21. https://stratum.black/strata/time/toarcian. Accessed 2026-09-21.

BibTeX · CSL-JSON

@misc{stratum-toarcian,
  title        = {Toarcian},
  author       = {{Stratum Strata}},
  howpublished = {\url{https://stratum.black/strata/time/toarcian}},
  year         = {2026},
  note         = {Time interval article, Stratum Strata pack 2026.09, as of 2026-09-21; sources: stratum, macrostrat, pbdb. Accessed 2026-09-21.}
}

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Sources for this article: Stratum editorial (Stratum editorial);Macrostrat (CC-BY-4.0);Paleobiology Database (CC-BY-4.0). As of 2026-09-21; Strata 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:toarcian.

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