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. 2019 Dec 6;37(4):1211–1223. doi: 10.1093/molbev/msz296

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© The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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FIg. 2. — A species tree for three species (A, B, C) with a gene tree for 12 sequences running inside it to illustrate the gene-tree node-age move and the gene-tree SPR move. There are four speciation nodes ( $R, S, U, V$ ) and two hybridization nodes (H₁ and H₂). This MSci model is also used in simulation, where the model is referred to as “2H”.