Children (8 direct children, 8 direct and indirect children):
Prosopium cylindraceum
Round whitefish
Mountain whitefish
Prosopium williamsoni
Pygmy whitefish
Prosopium coulterii
Bear lake whitefish
Prosopium abyssicola
Bonneville cisco
Prosopium gemmifer
Bonneville whitefish
Prosopium spilonotus
Prosopium preblei
Prosopium quadrilaterale