Data from: The million-year wait for macroevolutionary bursts

Josef C Uyeda, Thomas F Hansen, Stevan J Arnold, Jason Pienaar, S. J. Arnold, J. Pienaar & T. F. Hansen
We lack a comprehensive understanding of evolutionary pattern and process because short-term and long-term data have rarely been combined into a single analytical framework. Here we test alternative models of phenotypic evolution using a dataset of unprecedented size and temporal span (nearly 8,000 data points). The data are body-size measurements taken from historical studies, the fossil record, and among-species comparative data representing mammals, squamates, and birds. By analyzing this unusually large dataset, we identify stochastic...
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