Ekdale, E. G. Berta, A. Demere, T. A. 2011 The comparative osteology of the petrotympanic complex (ear region) of extant baleen whales (Cetacea: Mysticeti) PLOS ONE 6 e21311 Mammalodon_colliveri Eomysticetus_whitmorei Balaenoptera_acutorostrata Balaenoptera_bonaerensis Balaenoptera_borealis Balaenoptera_edeni Balaenoptera_musculus Balaenoptera_omurai Balaenoptera_physalus Megaptera_novaeangliae Eschrichtius_robustus Caperea_marginata Balaena_mysticetus Eubalaena_sp Osteology Maximum Parsimony Based on reanalysis of the original matrix. Ekdale_etal_2011a