End-Permian Mass Extinction Reexamined
End-Permian mass extinction was not so massive
By Belinda Smith, Cosmos Magazine
US paleontologists states once the dust settled
following the 'great dying' around 250 million
years ago, nearly 20% of species remained – not
4%. Belinda Smith reports.
Paleontologist suggests 'great dying' 252 million
years ago wasn't as bad as thought, October 4, 2016
The paper is:
Stanley, S. M., 2016, Estimates of the magnitudes
of major marine mass extinctions in earth history.
Proceedings of the National Academy of Sciences,
US, vol. 113 no. 42 E6325-E6334