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Peter M. Sadler
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Journal Article

Ephemeral species in the fossil record? Synchronous coupling of macroevolutionary dynamics in mid-Paleozoic zooplankton

James S. Crampton, Roger A. Cooper, Michael Foote, Peter M. Sadler
Published: 01 February 2020
Paleobiology (2020) 46 (1): 123–135.
DOI: https://doi.org/10.1017/pab.2020.3
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The impact of geographic range, sampling, ecology, and time on extinction risk in the volatile clade Graptoloida

James Boyle, H. David Sheets, Shuang-Ye Wu, Daniel Goldman, Michael J. Melchin, Roger A. Cooper, Peter M. Sadler, Charles E. Mitchell
Published: 01 February 2017
Paleobiology (2017) 43 (1): 85–113.
DOI: https://doi.org/10.1017/pab.2016.33
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Quantifying the process and abruptness of the end-Permian mass extinction

Yu Wang, Peter M. Sadler, Shu-zhong Shen, Douglas H. Erwin, Yi-chun Zhang, Xiang-dong Wang, Wei Wang, James L. Crowley, Charles M. Henderson
Published: 08 November 2013
Paleobiology (2014) 40 (1): 113–129.
DOI: https://doi.org/10.1666/13022
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Facies preference predicts extinction risk in Ordovician graptolites

Roger A. Cooper, Peter M. Sadler
Published: 01 May 2010
Paleobiology (2010) 36 (2): 167–187.
DOI: https://doi.org/10.1666/09043.1
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