(Protocetus_atavus,(Dorudon_atrox,(Georgiacetus_vogtlensis,(Zygorhyza_kochii_USNM_11962,(Mammalodon_colliveri,(Aetiocetus_weltoni,((Micromysticetus_rothauseni,Eomysticetus_whitmorei),(((Caperea_marginata,((Balaenula_astensis,Eubalaena_glacialis),(Balena_mysticetus,Balaenella_brachyrhynus))),((Archaeschrichtius_ruggieroi,(Eschrichtius_robustus,Eschrichtioides_gastaldii)),(((Megaptera_hubachi,((Archaebalaenoptera_castriarquati,Protororqualus_cuvieri),(Megaptera_novaeangliae,(Balaenoptera_physalus,(Balaenoptera_musculus,(Balaenoptera_acutorostrata,(Balaenoptera_edeni,Balaenoptera_borealis))))))),(Balaenoptera_siberi,Diunatans_luctoretemergo)),(Parabalaenoptera_baulinensis,Plesiobalaenoptera_quarantellii)))),(Titanocetus_sammarinensis,(Aglaocetus_moreni,(Cophocetus_oregonensis,(Diorocetus_hiatus,((Uranocetus_gramensis,(Isanacetus_laticephalus,(Pelocetus_calvertensis,Aglaocetus_patulus))),(Parietobalaena_palmeri,(Joumocetus_shimitzui,(USNM_187416,(Cetotherium_rathkii,((Piscobalaena_nana,(Mixocetus_elysius,Metopocetus_durinasus)),(Herpetocetus_transatlanticus,(Herpetocetus_scaldiensis,(Herpetocetus_bramblei,(Nannocetus_eremus,(Herentalia_nigra,Herpetocetus_sp_Japan)))))))))))))))))))))));