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. 2021 Jul 6;8:164. doi: 10.1038/s41438-021-00612-0

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© The Author(s) 2021

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Fig. 2 — A Species tree and divergence times of H. undatus and the other species. B Species tree and expansion-contraction in gene families. The green and red numbers present expanded and contracted gene families, respectively. MRCA stands for the most recent common ancestor. C Distribution of insertion times for LTR-RTs