The First Phylogenetic Analysis of Palpigradi (Arachnida)—The Most Enigmatic Arthropod Order

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The First Phylogenetic Analysis of Palpigradi (Arachnida)—The Most Enigmatic Arthropod Order

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Title: The First Phylogenetic Analysis of Palpigradi (Arachnida)—The Most Enigmatic Arthropod Order
Author: Giribet, Gonzalo; McIntyre, Erin Elizabeth; Christian, Erhard; Espinasa, Luis; Ferreira, Rodrigo L.; Francke, Óscar F.; Harvey, Mark S.; Isaia, Marco; Kováč, Ĺubomír; McCutchen, Lynn; Souza, Maysa F. V. R.; Zagmajster, Maja

Note: Order does not necessarily reflect citation order of authors.

Citation: Gonzalo, Gilbert, McIntyre Erin, Christian Erhard, Espinasa Luis, Ferreira Rodrigo L., Francke Óscar F., Harvey Mark S., Isaia Marco, Kováč Ĺubomír, McCutchen Lynn, Souza Maysa F. V. R., and Zagmajster Maja. 2014. "The First Phylogenetic Analysis of Palpigradi (Arachnida) – The Most Enigmatic Arthropod Order." Invertebrate Systematics 28: 350–360. doi: 10.1071/IS13057
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Abstract: Palpigradi are a poorly understood group of delicate arachnids, often found in caves or other subterranean habitats. Concomitantly, they have been neglected from a phylogenetic point of view. Here we present the first molecular phylogeny of palpigrades based on specimens collected in different subterranean habitats, both endogean (soil) and hypogean (caves), from Australia, Africa, Europe, South America and North America. Analyses of two nuclear ribosomal genes and COI under an array of methods and homology schemes found monophyly of Palpigradi, Eukoeneniidae, and a division of Eukoeneniidae into four main clades, three of which include samples from multiple continents. This supports either ancient vicariance or long-range dispersal, two alternatives we cannot distinguish with the data at hand. In addition, we show that our results are robust to homology scheme and analytical method, encouraging further use of the markers employed in this study to continue drawing a broader picture of palpigrade relationships.
Published Version: doi:10.1071/IS13057
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:12313557
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