期刊
MOLECULAR PHYLOGENETICS AND EVOLUTION
卷 90, 期 -, 页码 176-192出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ympev.2015.05.001
关键词
Phylogenetics; Time calibration; Overwater dispersal; Taxonomy; Lydekker's Line; Wallace's Line
资金
- Sackler Institute for Comparative Genomics at AMNH
- National Science Foundation
- National Science Foundation [BIO-DEB 1021247, BIO-DEB 1021299, BIO-DEB 103794, BIO-DEB 743890]
- Richard Gilder Graduate School at AMNH
- Division Of Environmental Biology
- Direct For Biological Sciences [1345063] Funding Source: National Science Foundation
We present an inclusive molecular phylogeny for Hylarana across its global distribution, utilizing two mitochondrial and four nuclear gene regions for 69 of the 97 currently described species. We use phylogenetic methods to test monophyly of Hylarana, determine relationships among ten putative subgenera, identify major clades, reconstruct biogeographic history, and estimate continental dispersal dates. Results support Hylarana as a monophyletic group originating approximately 26.9 MYA and comprising eight clades that partly correspond to currently described subgenera plus two new groups. The African and Australasian species each form clades embedded within a paraphyletic Southeast Asian group. We estimate that Africa and Australasia were colonized by Hylarana s.l.. from SE Asia approximately 18.7 and 10.8 MYA, respectively. Biogeographic reconstructions also support three separate colonization events in India from Southeast Asia. Examination of museum specimens identified morphological characters useful for delineating subgenera and species. We herein elevate all supported subgenera to genus rank and formally describe two new genera to produce a revised taxonomy congruent with our new phylogenetic and biogeographic findings. (C) 2015 Elsevier Inc. All rights reserved.
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