Discover and read the best of Twitter Threads about #macroevolution

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Our preprint of Mammalia-wide evolution -- announcing a new tree of life for 5911 species based on a single DNA matrix and fossil node- and tip-dating. We show how ecology (vagility, latitude, diurnality) best explains living diversity & speciation rates. doi.org/10.1101/504803
2/ Bayesian posterior sets of 10,000 trees are built using a 'backbone-and-patch' framework and 31-gene supermatrix of 4098 species (70% of total). This approach gives realistic uncertainty in branch lengths and topology for comparative analyses of mammalian evolutionary rates.
3/ We show that rates of species diversification vary through time: 1) tree wide, with an uptick in lineage turnover near the K-Pg boundary matching that seen in mammal fossils; 2) among lineages, with 24 major rate shifts detected across the tree; and 3) within clades (rodents!)
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