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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/194562
Increasing species sampling in chelicerate genomic-scale datasets provides support for monophyly of Acari and Arachnida
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Chelicerates are a diverse group of arthropods, represented by such forms as predatory spiders and scorpions, parasitic ticks, humic detritivores, and marine sea spiders (pycnogo-nids) 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.
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LOZANO-FERNANDEZ, Jesus, TANNER, Alastair r., GIACOMELLI, Mattia, CARTON, Robert, VINTHER, Jakob, EDGECOMBE, Gregory d., PISANI, Davide. Increasing species sampling in chelicerate genomic-scale datasets provides support for monophyly of Acari and Arachnida. _Nature Communications_. 2019. Vol. 10, núm. 1, pàgs. 1-8. [consulta: 25 de gener de 2026]. ISSN: 2041-1723. [Disponible a: https://hdl.handle.net/2445/194562]