Journal
MOLECULAR PHYLOGENETICS AND EVOLUTION
Volume 82, Issue -, Pages 495-510Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ympev.2014.03.028
Keywords
New World monkeys; Oreonax; Yellow-tailed woolly monkey; Mitogenomics; Dating analysis; Phylogenetics
Funding
- NSF Biotic Survey and Inventory Grant [DEB-9870191]
- New York University
- New York Consortium in Evolutionary Primatology
- University of Texas at Austin
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Using complete mitochondrial genome sequences, we provide the first molecular analysis of the phylogenetic position of the yellow-tailed woolly monkey, Lagothrix flavicauda (a.k.a. Oreonax flavicauda), a critically endangered neotropical primate endemic to northern Pent The taxonomic status and phylogenetic position of yellow-tailed woolly monkeys have been debated for many years, but in this study both Bayesian and maximum likelihood phylogenetic reconstructions unequivocally support a monophyletic woolly monkey clade that includes L. flavicauda as the basal taxon within the radiation. Bayesian dating analyses using several alternative calibrations suggest that the divergence of yellow-tailed woolly monkeys from other Lagothrix occurred in the Pleistocene, similar to 2.1 Ma, roughly 6.5 my after the divergence of woolly monkeys from their sister genus, Brachyteles. Additionally, comparative analysis of the cytochrome oxidase subunit 2 (COX2) gene shows that genetic distances between yellow-tailed woolly monkeys and other Lagothrix from across the genus' geographic distribution fall well within the range of between-species divergences seen in a large number of other platyrrhine primate genera at the same locus and outside the range of between-genus divergences. Our results thus confirm a position within Lagothrix for the yellow-tailed woolly monkey and strongly suggest that the name Oreonax be formally considered a synonym for this genus. This revision in taxonomic status does not change the dire conservation threats facing the yellow-tailed woolly monkey in Peril, where the remaining wild population is estimated at only similar to 10,000 individuals living in a highly fragmented landscape. (C) 2014 Elsevier Inc. All rights reserved.
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