Churchill, M. Berta, A. Demere, T. 2012 The systematics of right whales (Mysticeti: Balaenidae) Marine Mammal Science 28 497-521 Dorudon_atrox Physeter_macrocephalus Ziphius_cavirostris Aetiocetus Eomysticetus_whitmorei Diorocetus_hiatus Pelocetus_calvertensis Eschrichtius_robustus Megaptera_novaeangliae Balaenoptera_acutorostrata Caperea_marginata Morenocetus_parvus Balaenula_astensis Balaenula_balaenopsis Japanese_balaenula_sp Eubalaena_belgica Eubalaena_glacialis Eubalaena_australis Eubalaena_japonica SDSNH_43880 Balaenella_brachyrhynchus Balaena_montalionis Balaena_ricei Balaena_mysticetus Osteology Maximum Parsimony Based on reanalysis of the original matrix. Churchill_etal_2012a