Increasing species sampling in chelicerate genomic-scale datasets provides support for monophyly of Acari and Arachnida.
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Lozano-Fernandez et al 2019 ...
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Authors
Lozano-Fernandez, Jesus
Tanner, AR
Giacomelli, M
Carton, Robert

Vinther, Jakob

Edgecombe, GD

Pisani, Davide

Issue date
2019-05-24Submitted date
2019-06-01Subject Terms
PhylogenomicsPhylogenetics
Classification and taxonomy
Biodiversity
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Show full item recordAbstract
Chelicerates are a diverse group of arthropods, represented by such forms as predatory spiders and scorpions, parasitic ticks, humic detritivores, and marine sea spiders (pycnogonids) and horseshoe crabs. Conflicting phylogenetic relationships have been proposed for chelicerates based on both morphological and molecular data, the latter usually not recovering arachnids as a clade and instead finding horseshoe crabs nested inside terrestrial Arachnida. Here, using genomic-scale datasets and analyses optimised for countering systematic error, we find strong support for monophyletic Acari (ticks and mites), which when considered as a single group represent the most biodiverse chelicerate lineage. In addition, our analysis recovers marine forms (sea spiders and horseshoe crabs) as the successive sister groups of a monophyletic lineage of terrestrial arachnids, suggesting a single colonisation of land within Chelicerata and the absence of wholly secondarily marine arachnid orders.Citation
Lozano-Fernandez, J., Tanner, A.R., Giacomelli, M. et al. Increasing species sampling in chelicerate genomic-scale datasets provides support for monophyly of Acari and Arachnida. Nat Commun 10, 2295 (2019).Publisher
Nature Publishing GroupJournal
Nature CommunicationsType
Journal ArticleItem Description
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.EISSN
2041-1723ae974a485f413a2113503eed53cd6c53
10.1038/s41467-019-10244-7
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