McGowen, M. R. Spaulding, M. Gatesy, J. 2009 Divergence date estimation and a comprehensive molecular tree of extant cetaceans Molecular Phylogenetics and Evolution 53 891-906 Bos_taurus Sus_scrofa Hippopotamus_amphibius Hexaprotodon_liberiensis Delphinus_tropicalis Delphinus_delphis Delphinus_capensis Tursiops_truncatus Tursiops_aduncus Stenella_longirostris Stenella_frontalis Stenella_coeruleoalba Stenella_clymene Stenella_attenuata Sousa_chinensis Lagenodelphis_hosei Sotalia_fluviatilis Sotalia_guianensis Steno_bredanensis Lissodelphis_peronii Lissodelphis_borealis Lagenorhynchus_obscurus Lagenorhynchus_obliquidens Lagenorhynchus_cruciger Lagenorhynchus_australis Lagenorhynchus_albirostris Lagenorhynchus_acutus Feresa_attenuata Cephalorhynchus_hectori Cephalorhynchus_heavisidii Cephalorhynchus_eutropia Cephalorhynchus_commersonii Globicephala_melas Globicephala_macrorhynchus Grampus_griseus Pseudorca_crassidens Peponocephala_electra Orcinus_orca Orcinus_brevirostris Phocoena_spinipinnis Phocoena_sinus Phocoena_phocoena Phocoenoides_dalli Australophocaena_dioptrica Neophocaena_phocaenoides Delphinapterus_leucas Monodon_monoceros Inia_geoffrensis Pontoporia_blainvillei Lipotes_vexillifer Mesoplodon_peruvianus Mesoplodon_traversii Mesoplodon_stejnegeri Mesoplodon_perrini Mesoplodon_mirus Mesoplodon_layardii Mesoplodon_hectori Mesoplodon_grayi Mesoplodon_ginkgodens Mesoplodon_europaeus Mesoplodon_densirostris Mesoplodon_carlhubbsi Mesoplodon_bowdoini Mesoplodon_bidens Indopacetus_pacificus Tasmacetus_shepherdi Ziphius_cavirostris Hyperoodon_planifrons Hyperoodon_ampullatus Berardius_bairdii Berardius_arnuxii Platanista_minor Platanista_gangetica Physeter_catadon Kogia_breviceps Kogia_simus Mesoplodon_novaeangliae Balaenoptera_physalus Balaenoptera_musculus Balaenoptera_borealis Balaenoptera_bonaerensis Balaenoptera_acutorostrata Eschrichtius_robustus Caperea_marginata Eubalaena_australis Eubalaena_glacialis Balaena_mysticetus Balaenoptera_brydei Balaenoptera_omurai Balaenoptera_edeni Eubalaena_japonica Osteology Maximum Parsimony Based on reanalysis of the original matrix. McGowen_etal_2009a