Uhen, M. D. Pyenson, N. D. Devries, T. J. Urbina, M. Renne, P. R. 2011 New Middle Eocene whales from the Pisco Basin of Peru Journal of Paleontology 85 955-969 Sus_scrofa Hippopotamus Pakicetidae Ambulocetus Rodhocetus Remingtonocetus Dalinestes Gaviacetus Carolinacetus Protocetus Georgiacetus Babiacetus Basilosaurus Dorudon Eocetus_schweinfurthi Eocetus_wardii Artiocetus Qaisracetus Maiacetus_inuus MUSM_1443 Supayacetus_muizoni Ocucajea_picklingi Osteology Maximum Parsimony Based on reanalysis of the original matrix. Uhen_etal_2011a