Dynamic evolutionary change in post-Paleozoic echinoids and the importance of scale when interpreting changes in rates of evolution.

@article{Hopkins2015DynamicEC,
  title={Dynamic evolutionary change in post-Paleozoic echinoids and the importance of scale when interpreting changes in rates of evolution.},
  author={Melanie J Hopkins and Andrew W. B. Smith},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2015},
  volume={112 12},
  pages={3758-63}
}
How ecological and morphological diversity accrues over geological time has been much debated by paleobiologists. Evidence from the fossil record suggests that many clades reach maximal diversity early in their evolutionary history, followed by a decline in evolutionary rates as ecological space fills or due to internal constraints. Here, we apply recently developed methods for estimating rates of morphological evolution during the post-Paleozoic history of a major invertebrate clade, the… CONTINUE READING
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