Pre-mass extinction decline of latest Permian ammonoids

@article{Kiessling2017PremassED,
  title={Pre-mass extinction decline of latest Permian ammonoids},
  author={W. Kiessling and Martin Schobben and A. Ghaderi and V. Hairapetian and L. Leda and D. Korn},
  journal={Geology},
  year={2017},
  volume={46},
  pages={283-286}
}
The devastating end-Permian mass extinction is widely considered to have been caused by large-scale and rapid greenhouse gas release by Siberian magmatism. Although the proximate extinction mechanisms are disputed, there is widespread agreement that a major extinction pulse occurred immediately below the biostratigraphically defined Permian-Triassic boundary. Our statistical analyses of stratigraphic confidence intervals do not comply with a single end-Permian extinction pulse of ammonoids in… Expand
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