(Pakicetidae,((Ambulocetidae,Remingtoncetidae),(Artiocetus_clavus,(Carolinacetus_gingerichi,(Rodhocetus_kasrani,(Protocetus_atavus,(Georgiacetus_vogtlensis,((Saghacetus_osiris,(Zygorhiza_kochii,((Dorudon_atrox,(Cynthiacetus_peruvianus,(Basilosaurus_cetoides,Basilosaurus_isis))),(Chrysocetus_healyorum,Ancalecetus_simonsi)))),(((MUSM_1917,(ChM_PV_5720,Eomysticetus_whitmorei)),(Janjucetus_hunderi,(Mammalodon_colliveri,(Aetiocetus_weltoni,Aetiocetus_cotylalveus)))),(Simocetus_rayii,(Agorophius_pygmaeus,(((Archaeodelphis_patrius,Albertocetus_meffordorum),(Xenorophus_sloani,Echovenator_sandersii)),(Squalodon_calvertensis,Waipatia_maerewhenua)))))))))))));