Testing character evolution models in phylogenetic paleobiology: a case study with Cambrian echinoderms
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 Bayes...
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| Format: | E-Book |
| Sprache: | Englisch |
| Veröffentlicht: |
Cambridge
Cambridge University Press
2021
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| Schriftenreihe: | Cambridge elements. Elements of paleontology
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| Links: | https://doi.org/10.1017/9781009049016 |
| Zusammenfassung: | 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. |
| Umfang: | 1 Online-Ressource (42 Seiten) |
| ISBN: | 9781009049016 |
| ISSN: | 2517-780X |
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| spelling | Wright, April Testing character evolution models in phylogenetic paleobiology a case study with Cambrian echinoderms April Wright, Peter J. Wagner, David F. Wright Cambridge Cambridge University Press 2021 1 Online-Ressource (42 Seiten) txt c cr Cambridge elements. Elements of paleontology 2517-780X 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. Wagner, Peter J. Wright, David F. 1985- Erscheint auch als Druck-Ausgabe 9781009048842 |
| spellingShingle | Wright, April Testing character evolution models in phylogenetic paleobiology a case study with Cambrian echinoderms |
| title | Testing character evolution models in phylogenetic paleobiology a case study with Cambrian echinoderms |
| title_auth | Testing character evolution models in phylogenetic paleobiology a case study with Cambrian echinoderms |
| title_exact_search | Testing character evolution models in phylogenetic paleobiology a case study with Cambrian echinoderms |
| title_full | Testing character evolution models in phylogenetic paleobiology a case study with Cambrian echinoderms April Wright, Peter J. Wagner, David F. Wright |
| title_fullStr | Testing character evolution models in phylogenetic paleobiology a case study with Cambrian echinoderms April Wright, Peter J. Wagner, David F. Wright |
| title_full_unstemmed | Testing character evolution models in phylogenetic paleobiology a case study with Cambrian echinoderms April Wright, Peter J. Wagner, David F. Wright |
| title_short | Testing character evolution models in phylogenetic paleobiology |
| title_sort | testing character evolution models in phylogenetic paleobiology a case study with cambrian echinoderms |
| title_sub | a case study with Cambrian echinoderms |
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