Huayuan biota decodes Earth's first mass extinction https://phys.org/news/2026-01-huayuan-biota-decodes-earth-phanerozoic.html
"#CambrianExplosion was cut short around 513 million years ago by the #SinskEvent—with an #extinction rate on par with the planet's 5 most severe mass extinctions. #Biodiversity remained low for 50 million years... While paleontologists have uncovered dozens of #Cambrian soft-bodied fossil sites... no equivalent deposit had been found from the critical post-Sinsk Event interval... That changed over the past 5 years"
