(Outgroup_to_Anseres,(Cnemiornis,((Dendrocygna,Thalassornis),(((Cereopsis_novaehollandiae,Geochen_rhuax,((Anser_indicus,((Anser_cygnoides,(Anser_anser,Anser_rubrirostris)),(Anser_fabalis,Anser_brachyrhynchus))),((Anser_albifrons,Anser_erythropus),(Anser_canagicus,(Anser_caerulescens,Anser_rossii)))),(Coscoroba_coscoroba,(Cygnus_melanocoryphus,Cygnus_atratus,(Cygnus_olor,(Cygnus_buccinator,(Cygnus_columbianus,(Cygnus_bewickii,Cygnus_cygnus)))))),(Branta_canadensis,Branta_sandvicensis,Branta_hylobadistes,((Branta_bernicla,Branta_hrota),(Branta_leucopsis,Branta_ruficollis)))),(Chelychelynechen_quassus,(Ptaiochen_pau,(Thambetochen_chauliodous,Thambetochen_xanion)))),(Stictonetta,(Tadorninae,Anatinae))))));