Taxon characteristics that promote survivorship through the Permian–Triassic interval: transition from the Paleozoic to the Mesozoic brachiopod fauna

@inproceedings{Leighton2008TaxonCT,
  title={Taxon characteristics that promote survivorship through the Permian–Triassic interval: transition from the Paleozoic to the Mesozoic brachiopod fauna},
  author={Lindsey R. Leighton and Chris L. Schneider},
  booktitle={Paleobiology},
  year={2008}
}
Abstract Examination of organismal characteristics which promote survivorship through both background and mass extinctions may reveal general ecological principles potentially critical to modern conservation efforts. This study explores survivorship of brachiopods, a highly diverse and abundant Paleozoic clade, through the mid-Permian to mid-Triassic interval, which includes the greatest mass extinction in the history of metazoan life. This interval of time separates two of the major… 
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Test the relationship between abundance and extinction among brachiopod genera within seven third-order depositional sequences spanning the Late Ordovician to Early Silurian (Katian–Aeronian) of the Cincinnati Arch and finds that abundance is not positively correlated with duration, further evidence that the Ordvician/Silurian extinction was not accompanied by a shift in the macroevolutionary selectivity regime.
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