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. 2012 Mar;61(2):204–213. doi: 10.1093/sysbio/syr091

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© The Author(s) 2011. Published by Oxford University Press, on behalf of the Society of Systematic Biologists. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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FIGURE 5. — Expected LTT plots for the protracted birth–death model for various values of the incipient species extinction rate μ₂, where the extinction rate of good species is set at μ₁ = 0.4. The lines are for different speciation completion rates λ₂. The value of the speciation initiation rate λ₁ is set at 0.5.