期刊
MOLECULAR PHYLOGENETICS AND EVOLUTION
卷 62, 期 3, 页码 943-953出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ympev.2011.11.033
关键词
Biodiversity; Bogertia; Brazil; Caatinga; Cerrado; Chaco; Conservation; Cryptic species; Lizard; Phyllopezus; Reptile; Species tree; Taxonomy
资金
- NSF [DEB 0515909]
- Department of Fisheries, Wildlife & Conservation Biology
- FAPESP
- CNPq
- CAPES
- FAPDF
- Bell Museum of Natural History
- CAPES/Fulbright
- Department of Biology, BYU
The gecko genus Phyllopezus occurs across South America's open biomes: Cerrado, Seasonally Dry Tropical Forests (SDTF, including Caatinga), and Chaco. We generated a multi-gene dataset and estimated phylogenetic relationships among described Phyllopezus taxa and related species. We included exemplars from both described Phyllopezus pollicaris subspecies, P. p. pollicaris and P. p. przewalskii. Phylogenies from the concatenated data as well as species trees constructed from individual gene trees were largely congruent. All phylogeny reconstruction methods showed Bogertia lutzae as the sister species of Phyllopezus maranjonensis, rendering Phyllopezus paraphyletic. We synonymized the monotypic genus Bogertia with Phyllopezus to maintain a taxonomy that is isomorphic with phylogenetic history. We recovered multiple, deeply divergent, cryptic lineages within P. pollicaris. These cryptic lineages possessed mtDNA distances equivalent to distances among other gekkotan sister taxa. Described P. pollicaris subspecies are not reciprocally monophyletic and current subspecific taxonomy does not accurately reflect evolutionary relationships among cryptic lineages. We highlight the conservation significance of these results in light of the ongoing habitat loss in South America's open biomes. (C) 2011 Elsevier Inc. All rights reserved.
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