Testing Character Evolution Models in Phylogenetic Paleobiology
A case study with Cambrian echinoderms
$22.00 USD
Part of Elements of Paleontology
- Authors:
- April Wright, Southeastern Louisiana University
- Peter J. Wagner, University of Nebraska, Lincoln
- David F. Wright, National Museum of Natural History (Smithsonian Institution)
- Date Published: August 2021
- availability: This ISBN is for an eBook version which is distributed on our behalf by a third party.
- format: Adobe eBook Reader
- isbn: 9781009058926
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Macroevolutionary inference has historically been treated as a two-step process, involving the inference of a tree, and then inference of a macroevolutionary model using that tree. Newer models blend the two steps. These methods make more complete use of fossils than the previous generation of Bayesian phylogenetic models. They also involve many more parameters than prior models, including parameters about which empiricists may have little intuition. In this Element, we set forth a framework for fitting complex, hierarchical models. The authors ultimately fit and use a joint tree and diversification model to estimate a dated phylogeny of the Cincta (Echinodermata), a morphologically distinct group of Cambrian echinoderms that lack the fivefold radial symmetry characteristic of extant members of the phylum. Although the phylogeny of cinctans remains poorly supported in places, this Element shows how models of character change and diversification contribute to understanding patterns of phylogenetic relatedness and testing macroevolutionary hypotheses.
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×Product details
- Date Published: August 2021
- format: Adobe eBook Reader
- isbn: 9781009058926
- availability: This ISBN is for an eBook version which is distributed on our behalf by a third party.
Table of Contents
1. Introduction
2. Taxonomic Background and Data
3. Taxonomic Background and Data
4. Methods
5. Discussion
6. Conclusion
Appendix
References.-
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