page_title: Llandovery epoch
section_title: Palaeontology
hierarchical_section_title: Llandovery epoch / Palaeontology
caption_attribution_description: English: The Silurian anaspid, Jamoytius kerwoodi of what is now Great Britain. (C) Stanton F. Fink
context_page_description: In the geological timescale, the Llandovery epoch occurred at the beginning of the Silurian period. The Llandoverian epoch follows the massive Ordovician-Silurian extinction events, which led to a large decrease in biodiversity and an opening up of ecosystems.
  Widespread reef building started in this period and continued into the Devonian period when rising water temperatures are thought to have bleached out the coral by killing their photo symbionts.
  The Llandoverian epoch ended with the Ireviken event which killed off 50% of trilobite species, and 80% of the global conodont species.
caption: Jamoytius kerwoodi
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