The Evolutionary History and a Systematic Revision of Woodrats of the Neotoma lepida Group

摘要: "We review the evolutionary history and systematic status of species subspecies desert woodrat complex Neotoma lepida group. Currently, this comprises six taxa currently recognized as from western North America, two “continental” (Neotoma Thomas devia Goldman) four islands on both Pacific gulf sides Baja California anthonyi [Todos Santos], martinensis [San Martin], bryanti [Cedros], bunkeri [Coronados]). In review, we examined more than 4600 museum specimens for morphological characters, qualitative quantitative craniodental, male phallic, colorimetric variables, analyzed mitochondrial DNA (mtDNA) sequence data cytochrome-b gene allelic variation 18 nuclear microsatellite loci 1000 individuals, sequences (nucDNA) intron 7 -fibrinogen (Fgb-I7) 166 specimens. We by a combination univariate multivariate methods to define discrete groups in nature document patterns across geography. applied phylogenetic analyses delineate geographic clusters that are evolutionarily independent concordance between these lineages groupings. used population genetic determine degree which there is exchange where they co-occur nature. then coalescent approaches develop hypotheses about timing processes underlie diversification molecular identified. Finally, set testable, objective criteria can be bound nature, rearranged taxonomy group woodrats according those criteria. Our analyses, applications, results confirm inadequacy current systematics group..."