First steps in a project integrating phylogeny, climate,geological history and dispersion dynamics, to explain the phylogeography of the genus Batrachoseps
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The slender salamanders genus, Batrachoseps (Plethodontidae), is the most speciose groupof caudate amphibians in the western nearctic zone. All clades and even species within these groupsshow a marked phylogeographic structure, although there is often a discrepancy between mtDNAand nDNA (allozymes) datasets. Batrachoseps species are morphologically cryptic and ecologicallyvery similar. Slender salamander species do not merge when a parapatry occurs and sympatry islimited especially within clade...