Cited by 365Genomics and Phylogenetic StudiesMarine Invertebrate Physiology and EcologyProtist diversity and phylogeny

The DOI matches its Crossref record; 77 of the 77 references it cites were found in a registry or an index.

Revisiting metazoan phylogeny with genomic sampling of all phyla

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Abstract

Proper biological interpretation of a phylogeny can sometimes hinge on the placement of key taxa—or fail when such key taxa are not sampled. In this light, we here present the first attempt to investigate (though not conclusively resolve) animal relationships using genome-scale data from all phyla. Results from the site-heterogeneous CAT + GTR model recapitulate many established major clades, and strongly confirm some recent discoveries, such as a monophyletic Lophophorata, and a sister group relationship between Gnathifera and Chaetognatha, raising continued questions on the nature of the spiralian ancestor. We also explore matrix construction with an eye towards testing specific relationships; this approach uniquely recovers support for Panarthropoda, and shows that Lophotrochozoa (a subclade of Spiralia) can be constructed in strongly conflicting ways using different taxon- and/or orthologue sets. Dayhoff-6 recoding sacrifices information, but can also reveal surprising outcomes, e.g. full support for a clade of Lophophorata and Entoprocta + Cycliophora, a clade of Placozoa + Cnidaria, and raising support for Ctenophora as sister group to the remaining Metazoa, in a manner dependent on the gene and/or taxon sampling of the matrix in question. Future work should test the hypothesis that the few remaining uncertainties in animal phylogeny might reflect violations of the various stationarity assumptions used in contemporary inference methods.

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  1. Ax P, 1999, Das System der Metazoa II. Ein Lehrbuch der phylogenetischen Systematik

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Metadata

Authors
Laumer, C. E., Fernández, R., Lemer, S., Combosch, D., Kocot, K. M., Riesgo, A., Andrade, S. C. S., Sterrer, W., Sørensen, M. V., & Giribet, G.
Affiliations
  • European Bioinformatics Institute (GB)
  • Harvard University (US)
  • University of Alabama (US)
  • Natural History Museum (GB)
  • Universidade de São Paulo (BR)
  • Bermuda Natural History Museum, PO Box FL 145, Flatts, FLBX, Bermuda
  • Natural History Museum of Denmark (DK)
Corresponding author
Laumer, Christopher E.
Venue
Proceedings of the Royal Society B: Biological Sciences
Published
2019-07-10
Volume
286
Issue
1906
Pages
20190831
ISSN
  • 0080-4649 (ISSN-L)
  • 0962-8452
  • 1471-2954
OpenAlex
W2957892651
Cited by
360
References
77
Citations by year
2026: 24 · 2025: 41 · 2024: 65 · 2023: 61 · 2022: 55 · 2021: 59 · 2020: 43 · 2019: 10
FWCI
14.23
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the Royal Society B Biological Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (publishedVersion, cc-by)
  • Repositori digital de la UPF (Universitat Pompeu Fabra) (publishedVersion, cc-by)
Funders
  • National Science Foundation (DEB-0732903, DEB-1457539)
  • Faculty of Arts and Sciences (Internal core funding to GG)
  • Museum of Comparative Zoology, Harvard University (Internal core funding to GG)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Marine Invertebrate Physiology and Ecology
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Protist diversity and phylogeny
Keywords
animal phylogeny, Lophophorata, Gnathifera, chaetognaths, Spiralia, Panarthropoda, Lophotrochozoa, Ctenophora, Entoprocta, Cycliophora, Placozoa, Cnidaria, matrix construction, stationarity assumption, phylogenetic incongruence
MeSH terms
Animals, Classification, Phylogeny, Genomics

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