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Bats (Chiroptera:Noctilionoidea) Challenge a Recent Origin of Extant Neotropical Diversity
Univ Aveiro, Dept Biol, P-3810193 Aveiro, Portugal.;Univ Aveiro, Ctr Environm & Marine Studies, P-3810193 Aveiro, Portugal.;SUNY Stony Brook, Dept Ecol & Evolut, 650 Life Sci Bldg, Stony Brook, NY 11794 USA..
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. SUNY Stony Brook, Dept Ecol & Evolut, 650 Life Sci Bldg, Stony Brook, NY 11794 USA..
SUNY Stony Brook, Dept Ecol & Evolut, 650 Life Sci Bldg, Stony Brook, NY 11794 USA.;SUNY Stony Brook, Sch Marine & Atmospher Sci, Consortium Interdisciplinary Environm Res, 129 Dana Hall, Stony Brook, NY 11794 USA..
2016 (English)In: Systematic Biology, ISSN 1063-5157, E-ISSN 1076-836X, Vol. 65, no 3, 432-448 p.Article in journal (Refereed) PublishedText
Abstract [en]

The mechanisms underlying the high extant biodiversity in the Neotropics have been controversial since the 19th century. Support for the influence of period-specific changes on diversification often rests on detecting more speciation events during a particular period. The timing of speciation events may reflect the influence of incomplete taxon sampling, protracted speciation, and null processes of lineage accumulation. Here we assess the influence of these factors on the timing of speciation with new multilocus data for New World noctilionoid bats (Chiroptera: Noctilionoidea). Biogeographic analyses revealed the importance of the Neotropics in noctilionoid diversification, and the critical role of dispersal. We detected no shift in speciation rate associated with the Quaternary or pre-Quaternary periods, and instead found an increase in speciation linked to the evolution of the subfamily Stenodermatinae (similar to 18 Ma). Simulations modeling constant speciation and extinction rates for the phylogeny systematically showed more speciation events in the Quaternary. Since recording more divergence events in the Quaternary can result from lineage accumulation, the age of extant sister species cannot be interpreted as supporting higher speciation rates during this period. Instead, analyzing the factors that influence speciation requires modeling lineage-specific traits and environmental, spatial, and ecological drivers of speciation.

Place, publisher, year, edition, pages
2016. Vol. 65, no 3, 432-448 p.
Keyword [en]
Fossils, geographic range evolution, Neotropics, Phyllostomidae, speciation
National Category
Evolutionary Biology
URN: urn:nbn:se:uu:diva-297895DOI: 10.1093/sysbio/syw011ISI: 000375210300007PubMedID: 26865275OAI: oai:DiVA.org:uu-297895DiVA: diva2:944598
Available from: 2016-06-29 Created: 2016-06-28 Last updated: 2016-06-29Bibliographically approved

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Warsi, Omar M.
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