WList of fossil bird genera
WAndalgalornis
WAnthropornis
WApatosagittarius
WArgentavis
WBreagyps
WConflicto antarcticus
WCratoavis
WDasornis
WDromornis
WEocoracias
WGarganoaetus
WHeracles inexpectatus
WInkayacu
WItaboravis
WKelenken
WKumimanu
WMasillastega
WMasillatrogon
WOdontopteryx
WOrnimegalonyx
WParaprefica
WResoviaornis
WSazavis
WSeptencoracias
WWaimanu
WWellnhoferia
WWieslochia