Spatial and temporal patterns of diversification on the Amazon: A test of the riverine hypothesis for all diurnal primates of Rio Negro and Rio Branco in Brazil

[Display omitted] •Lineages of Cacajao, Cebus and Callicebus on opposite banks of Rio Negro show spatiotemporal concordance of diversification.•Our results support a Pleistocene origin for Rio Negro.•The Rio Branco was a physical boundary to six primate genera.•The role of Rio Branco as a vicariant...

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