(Protocetus_atavus,(Dorudon_atrox,(Georgiacetus_vogtlensis,(Zygorhyza_kochii,(Mammalodon_colliveri,(Aetiocetus_weltoni,((Eomysticetus_whitmorei,Micromysticetus_rothauseni),(((Caperea_marginata,((Balaenula_astensis,Eubalaena_glacialis),(Balaena_mysticetus,Balaenella_brachyrhynus))),((Archaeschrichtius_ruggieroi,(Eschrichtius_robustus,Eschrichtioides_gastaldii)),((((Megaptera_hubachi,(New_taxon_2_Peru,(Archaebalaenoptera_castriarquati,New_taxon_3_Peru))),((Megaptera_novaeangliae,(Balaenoptera_physalus,(Balaenoptera_musculus,(Balaenoptera_acutorostrata,(Balaenoptera_edeni,Balaenoptera_borealis))))),(Balaenoptera_siberi,Diunatans_luctoretemergo))),(New_taxon_1_Italy,(Plesiocetus_cortesii_var_portisi,Protororqualus_cuvieri))),(Parabalaenoptera_baulinensis,Plesiobalaenoptera_quarantellii)))),(Titanocetus_sammarinensis,(Aglaocetus_moreni,(Cophocetus_oregonensis,((Uranocetus_gramensis,(Isanacetus_laticephalus,(Pelocetus_calvertensis,Aglaocetus_patulus))),((Parietobalaena_palmeri,Joumocetus_shimizui),(Diorocetus_hiatus,(Cetotherium_megalophysum,(Mixocetus_elysius,(Piscobalaena_nana,(Cetotherium_rathkii,Metopocetus_durinasus))))))))))))))))));