(Protocetus_atavus,(Dorudon_atrox,(Georgiacetus_vogtlensis,(Zygorhyza_kochii_USNM_11962,(Mammalodon_colliveri,(Aetiocetus_weltoni,((Eomysticetus_whitmorei,Micromysticetus_rothauseni),((Caperea_marginata,(Balaenella_brachyrhynus,(Balaena_mysticetus,(Balaenula_astensis,Eubalaena_glacialis)))),((Titanocetus_sammarinensis,(Aglaocetus_moreni,(Cophocetus_oregonensis,(((Uranocetus_gramensis,(Isanacetus_laticephalus,(Pelocetus_calvertensis,Aglaocetus_patulus))),(Joumocetus_shimitzui,(Parietobalaena_palmeri,Parietobalaena_campiniana))),(Diorocetus_hiatus,(USNM_187416,(Mixocetus_elysius,(Metopocetus_durinasus,(Cetotherium_rathkei,Piscobalaena_nana))))))))),((Archaeschrichtius_ruggieroi,(Eschrichtius_robustus,Eschrichtioides_gastaldii)),(New_Belgian_Specimen2,(((Fragilicetus_velponi,(Parabalaenoptera_baulinensis,Plesiobalaenoptera_quarantellii)),(Megaptera_hubachi,((New_Peruvian_Specimen1,(Archaebalaenoptera_castriarquati,New_Peruvian_Specimen2)),((Megaptera_novaeangliae,(Balaenoptera_physalus,(Balaenoptera_musculus,(Balaenoptera_acutorostrata,(Balaenoptera_edeni,Balaenoptera_borealis))))),(Balaenoptera_siberi,Diunatans_luctoretemergo))))),(New_Italian_Specimen1,(Protororqualus_cuvieri,(Balaenoptera_portisi,New_Belgian_Specimen1)))))))))))))));