Geisler, J. H. Sanders, A. E. 2003 Journal of Mammalian Evolution 10 23-129 Sus_scrofa Hippopotamus_amphibius Georgiacetus Zygorhiza_kochii PV5720_St_James_mysticete PV4745_toothed_mysticete Chonecetus Aetiocetus Eomysticetus Micromysticetus Diorocetus Pelocetus Parabalaenoptera Caperea_marginata Balaena_glacialis Eschrictius_robustus Balaenoptera_physalus Archaeodelphis PV4746_riverxenorophid PV4823_Edisto_xenorophus Xenorophus PV2758_paradoxcetus PV4834_paradoxcetine PV5711_paradoxcetine PV4178_coopercetus PV4256_Agorophius PV5852_small_agorophiid PV2764_genus_y PV2761_patriocetid PV4862_kasak_patriocetid Waipatia PV4961_eosqualodontid PV4802_eorhabdosteus Squalodon_calvertensis Notocetus Prosqualodon Squaloziphius Eurhinodelphis_bossi Zarhachis_flagellator Platanista Parapontoporia Lipotes_vexillifer Inia_geoffrensis Brachydelphis Pontoporia_blainvillei Tasmacetus_shepherdi Berardius_bairdii Ziphius_cavirostris Mesoplodon_europaeus Kogia_breviceps Orycterocetus Physeter_catodon Kentriodon_pernix Delphinapterus_leucas Tursiops_truncatus Phocoena_phocoena Osteology Maximum Parsimony Based on reanalysis of the original matrix. Geisler_et_Sanders_2003a