Molecular Phylogenetics and Evolution 120 (2018) 103–117 Contents lists available at ScienceDirect Molecular Phylogenetics and Evolution journal homepage: www.elsevier.com/locate/ympev Systematics and phylogeography of the widely distributed African skink Trachylepis varia species complex Jeﬀrey L. Weinell , Aaron M. Bauer Department of Biology, Villanova University, 800 Lancaster Avenue, Villanova, PA 19085, USA ARTICLE I NFO ABSTRACT Keywords: A systematic study of the Trachylepis varia complex was conducted using mitochondrial and nuclear DNA Africa markers for individuals sampled across the species range. The taxonomic history of T. varia has been complicated Lygosominae and its broad geographic distribution and considerable phenotypic variation has made taxonomic revision dif- Phylogenetics ﬁcult, leading earlier taxonomists to suggest that T. varia is a species complex. We used maximum likelihood and Phylogeography Bayesian inference to estimate gene trees and a multilocus time-tree, respectively, and we used these trees to Trachylepis damarana identify the major clades (putative species) within T. varia. Additionally, we used morphological and color Trachylepis laevigata pattern data to distinguish and revise the taxonomy of the southern African clades. The major clades recovered in the multilocus time-tree were recovered in each of gene trees, although the relationships among these major clades diﬀered across gene trees.
Molecular Phylogenetics and Evolution – Elsevier
Published: Mar 1, 2018
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