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521 – 506 MA

Epoch · Cambrian

Cambrian Series 2

521–506 Ma

The Cambrian Series 2 is an epoch within the Cambrian, spanning roughly 521 to 506 million years ago.

Rankepoch
Base521 Ma
Top506 Ma
Duration14.5 Myr
ChartICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables)

Contains

Part of

Elsewhere

Cite this article

Stratum Strata. "Cambrian Series 2" (Time interval). Stratum Strata pack 2026.09, as of 2026-09-21. https://stratum.black/strata/time/cambrian-series-2. Accessed 2026-09-21.

BibTeX · CSL-JSON

@misc{stratum-cambrian-series-2,
  title        = {Cambrian Series 2},
  author       = {{Stratum Strata}},
  howpublished = {\url{https://stratum.black/strata/time/cambrian-series-2}},
  year         = {2026},
  note         = {Time interval article, Stratum Strata pack 2026.09, as of 2026-09-21; sources: stratum. Accessed 2026-09-21.}
}

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

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