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Eocene paleogeographic map [after Parrish (41); modified from Doyle and Le Thomas (35)] summarizing hypothesized Laurasian migration of western Gondwana taxa. The distribution of Malpighiaceae is proposed to have resulted by migration from South America to the Old World (red arrow); green arrow shows a possible pattern of dispersion from the Old World to the New World taken by other tropical angiosperm clades.
