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Here is the original paper titled "Supernova triggers for end-Devonian extinctions" by Brian D. Fields and others: https://www.pnas.org/content/early/2020/08/1

• JoeAltmaier 6y ago
  They speak of "a 300,000-year decline in biodiversity leading up to the Devonian-Carboniferous mass extinction" Is this a real thing? I ask, because paleontologists have had a bad record of interpreting statistical samples around an event. I.e. misinterpreting the mean interval between the last recorded fossil before an event as evidence of 'gradual extinction'.