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Phylogenomic analyses support traditional relationships within Cnidaria

View ORCID ProfileFelipe Zapata, View ORCID ProfileFreya E. Goetz, View ORCID ProfileStephen A. Smith, View ORCID ProfileMark Howison, View ORCID ProfileStefan Siebert, View ORCID ProfileSamuel H. Church, View ORCID ProfileSteven M Sanders, View ORCID ProfileCheryl Lewis Ames, View ORCID ProfileCatherine S. McFadden, View ORCID ProfileScott C. France, View ORCID ProfileMarymegan Daly, View ORCID ProfileAllen G. Collins, View ORCID ProfileSteven H.D. Haddock, View ORCID ProfileCasey W. Dunn, View ORCID ProfilePaulyn Cartwright
doi: https://doi.org/10.1101/017632
Felipe Zapata
1Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02906, USA
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Freya E. Goetz
1Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02906, USA
2Current address: Department of Invertebrate Zoology, Smithsonian Museum of Natural History, Washington DC 20560, USA
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Stephen A. Smith
1Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02906, USA
3Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA
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Mark Howison
1Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02906, USA
4Computing & Information Services, Brown University, Providence, RI, 02903, USA
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Stefan Siebert
1Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02906, USA
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Samuel H. Church
1Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02906, USA
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Steven M Sanders
5Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045
6Current address: University of Pittsburgh School of Medicine, Pittsburgh, PA 15261
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Cheryl Lewis Ames
2Current address: Department of Invertebrate Zoology, Smithsonian Museum of Natural History, Washington DC 20560, USA
7Biological Sciences Graduate Program, University of Maryland, College Park, MD 20742, USA
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Catherine S. McFadden
8Department of Biology, Harvey Mudd College, Claremont, CA 91711 USA
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Scott C. France
9Department of Biology, The University of Louisiana at Lafayette, Lafayette, LA 70503, USA
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Marymegan Daly
10Department of Evolution, Ecology and Organismal Biology, Ohio State University, Columbus, OH 43210, USA
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Allen G. Collins
11National Systematics Laboratory of NOAA’s Fisheries Service, National Museum of Natural History, Washington, DC 20013–7012
2Current address: Department of Invertebrate Zoology, Smithsonian Museum of Natural History, Washington DC 20560, USA
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Steven H.D. Haddock
12Monterey Bay Aquarium Research Institute, Moss Landing, CA 95039, USA
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Casey W. Dunn
1Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02906, USA
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Paulyn Cartwright
5Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045
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  • ORCID record for Paulyn Cartwright
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Abstract

Cnidaria, the sister group to Bilateria, is a highly diverse group of animals in terms of morphology, lifecycles, ecology, and development. How this diversity originated and evolved is not well understood because phylogenetic relationships among major cnidarian lineages are unclear, and recent studies present contrasting phylogenetic hypotheses. Here, we use transcriptome data from 15 newly-sequenced species in combination with 26 publicly available genomes and transcriptomes to assess phylogenetic relationships among major cnidarian lineages. Phylogenetic analyses using different partition schemes and models of molecular evolution, as well as topology tests for alternative phylogenetic relationships, support the monophyly of Medusozoa, Anthozoa, Octocorallia, Hydrozoa, and a clade consisting of Staurozoa, Cubozoa, and Scyphozoa. Support for the monophyly of Hexacorallia is weak due to the equivocal position of Ceriantharia. Taken together, these results further resolve deep cnidarian relationships, largely support traditional phylogenetic views on relationships, and provide a historical framework for studying the evolutionary processes involved in one of the most ancient animal radiations.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted April 06, 2015.
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Phylogenomic analyses support traditional relationships within Cnidaria
Felipe Zapata, Freya E. Goetz, Stephen A. Smith, Mark Howison, Stefan Siebert, Samuel H. Church, Steven M Sanders, Cheryl Lewis Ames, Catherine S. McFadden, Scott C. France, Marymegan Daly, Allen G. Collins, Steven H.D. Haddock, Casey W. Dunn, Paulyn Cartwright
bioRxiv 017632; doi: https://doi.org/10.1101/017632
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Phylogenomic analyses support traditional relationships within Cnidaria
Felipe Zapata, Freya E. Goetz, Stephen A. Smith, Mark Howison, Stefan Siebert, Samuel H. Church, Steven M Sanders, Cheryl Lewis Ames, Catherine S. McFadden, Scott C. France, Marymegan Daly, Allen G. Collins, Steven H.D. Haddock, Casey W. Dunn, Paulyn Cartwright
bioRxiv 017632; doi: https://doi.org/10.1101/017632

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