End-Botomian mass extinction
id:
end-botomian-mass-extinction-251-17488965
title:
End-Botomian mass extinction
text:
The end-Botomian mass extinction event, also known as the late early Cambrian extinctions, refer to two extinction intervals that occurred during Stages 4 and 5 of the Cambrian Period, approximately 513 to 509 million years ago. Estimates for the decline in global diversity over these events range from 50% of marine genera up to 80%. Among the organisms affected by this event were the small shelly fossils, archaeocyathids, trilobites, brachiopods, hyoliths, and mollusks.
brand slug:
wiki
category slug:
encyclopedia
description:
Two extinction intervals that occurred during Stages 4 and 5 of the Cambrian Period
original url:
https://en.wikipedia.org/wiki/End-Botomian_mass_extinction
date created:
date modified:
2023-07-16T02:02:34Z
main entity:
{"identifier":"Q5375752","url":"https://www.wikidata.org/entity/Q5375752"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/0/06/Extinction_intensity.svg","width":531,"height":324}
fields total:
13
integrity:
15