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Título: | Increasing species sampling in chelicerate genomic-scale datasets provides support for monophyly of Acari and Arachnida |
Autor: | Lozano Fernández, Jesús CSIC ORCID ; Tanner, Alastair R.; Giacomelli, Mattia; Carton, Robert; Vinther, Jakob; Edgecombe, Gregory D.; Pisani, Davide | Palabras clave: | Biodiversity Classification and taxonomy Phylogenetics Phylogenomics |
Fecha de publicación: | 2019 | Editor: | Springer Nature | Citación: | Nature Communications 10: 2295 (2019) | Resumen: | 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. | Descripción: | © The Author(s) 2019. | Versión del editor: | https://doi.org/10.1038/s41467-019-10244-7 | URI: | http://hdl.handle.net/10261/217135 | DOI: | 10.1038/s41467-019-10244-7 | E-ISSN: | 2041-1723 |
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Lozano-Fernandez_etal-2019-NatureComm.pdf | Increasing_Lozano_Fernandez_Art2019 | 1,09 MB | Adobe PDF | Visualizar/Abrir |
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