(Protocetus_atavus,(Georgiacetus_vogtlensis,(Zygorhiza_kochii,((Chonecetus_goedertorum,Aetiocetus_polydentatus),(Eomysticetus_whitmorei,((Caperea_marginata,((Balaena_mysticetus,Balaena_montalionis),(Eubalaena_glacialis,Balaenula_astensis))),(Pelocetus_calvertensis,Isanacetus_laticephalus,(Parietobalaena_palmeri,(Diorocetus_hiatus,(Titanocetus_sammarinensis,(((Metopocetus_durinasus,(Cetotherium_rathkei,Mixocetus_elysius)),(Eschrichtius_robustus,Eschrichtioides_gastaldii)),(MCa_240536,(Plesiocetus_cortesii,(((Balaenoptera_omurai,((Balaenoptera_acutorostrata,(Balaenoptera_physalus,Balaenoptera_musculus)),(Balaenoptera_borealis,Balaenoptera_edeni))),(Megaptera_hubachi,(Megaptera_novaeangliae,Megaptera_miocaena))),(MPST_240505,Balaenoptera_borealina,Parabalaenoptera_baulinensis)))))))))))))));