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Polychaeta source details

Tilic, Ekin; Sayyari, Erfan; Stiller, Josefin; Mirarab, Siavash; Rouse, Greg W. (2020). More is needed—Thousands of loci are required to elucidate the relationships of the 'flowers of the sea' (Sabellida, Annelida). Molecular Phylogenetics and Evolution. 151: 106892: 1-9.
382372
10.1016/j.ympev.2020.106892 [view]
Tilic, Ekin; Sayyari, Erfan; Stiller, Josefin; Mirarab, Siavash; Rouse, Greg W.
2020
More is needed—Thousands of loci are required to elucidate the relationships of the 'flowers of the sea' (Sabellida, Annelida)
Molecular Phylogenetics and Evolution
151: 106892: 1-9
Publication
World Polychaeta Database (WPolyDb)
Available for editors  PDF available [request]
Sabellida is a well-known clade containing tube-dwelling annelid worms with a radiolar crown. Iterative phylogenetic analyses over three decades have resulted in three main clades being recognized; Fabriciidae, Serpulidae and Sabellidae, with Fabriciidae proposed as the sister group to Serpulidae. However, relationships within Sabellidae have remained poorly understood, with a proliferation of genera. In order to obtain a robust phylogeny with optimal support, we conducted a large-scale phylogenomic analysis with 19 new sabellid transcriptomes for a total of 21 species. In contrast to earlier findings based on limited DNA data, our results support the position of Fabriciidae as sister taxon to a Sabellidae + Serpulidae clade. Our large sampling within Sabellidae also allows us to establish a stable phylogeny within this clade. We restrict Sabellinae to a subclade of Sabellidae and broaden the previously monotypic Myxicolinae to include Amphicorina and Chone. We tested the robustness of species tree reconstruction by subsampling increasing numbers of genes to uncover hidden support of alternative topologies. Our results show that inclusion of more genes leads to a more stable topology with higher support, and also that including higher divergence genes leads to stronger resolution.
Molecular systematics, Molecular biology
Systematics, Taxonomy
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Date
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2020-06-29 23:33:03Z
created

Amphicorina Claparède, 1864 (taxonomy source)
Amphiglena Claparède, 1864 (taxonomy source)
Amphiglenini Tilic, Sayyari, Stiller, Mirarab & Rouse, 2020 (original description)
Myxicola Koch in Renier, 1847 (taxonomy source)
Myxicolinae Rioja, 1923 (taxonomy source)
Myxicolini Rioja, 1923 (taxonomy source)
 Classification

Tilic et al (2020) create Amphiglenini under Myxicolinae for genus Amphiglena. In a figure representative species ... [details]

 Classification

Tilic et al (2020) appears to include 3 further genera from Clade 1 of Capa et al (2011) into Myxicolini. Tilic et ... [details]

 Classification

Tilic et al (2020) appears to include 3 further genera from Clade 1 of Capa et al (2011) into Myxicolini. Tilic et ... [details]

 Classification

Tilic et al (2020) appears to include 3 further genera from Clade 1 of Capa et al (2011) into Myxicolini. Tilic et ... [details]

 Classification

Myxicolinae was created by Rioja (1923) solely for Myxicola. As summarized by Fitzhugh (1989) Myxicolinae, ... [details]