252 – 66 MA

Era · Phanerozoic

Mesozoic

252–66 Ma

The Mesozoic is an era within the Phanerozoic, spanning roughly 252 to 66 million years ago.

Rankera· Paleobiology Database
Base252 Ma· Paleobiology Database
Top66 Ma· Paleobiology Database
Duration186 Myr· Paleobiology Database
ChartICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables)

Elsewhere

Cite this article

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

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

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Sources for this article: Stratum editorial (Stratum editorial);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:mesozoic.

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