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Time scales and taxonomic survivorship
Published online by Cambridge University Press: 08 April 2016
Abstract
Stratigraphic range data are used to derive time scales on which taxonomic survivorship curves for genera and families are as nearly as possible independent of their times of origin. These time scales correct for temporal variations in overall extinction rates caused by major extinctions and the pull of the Recent. Survivorship curves for genera and families on their respective time scales are well fit by Pareto distributions differing only in their scale parameter.
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