#NEXUS
BEGIN TAXA;
    Dimensions NTax = 8;
    TaxLabels 'Progne tapera' 'Progne modesta' 'Progne subis' 'Progne sinaloae' 'Progne cryptoleuca' 'Progne dominicensis' 'Progne chalybea' 'Progne elegans' ;
END;
BEGIN TREES;
    Tree tree1 = ('Progne tapera',('Progne modesta',('Progne subis',(('Progne sinaloae',('Progne cryptoleuca','Progne dominicensis')),('Progne chalybea','Progne elegans')))));
END;