ZygorhizaSqualodonWaipatiaHuaridelphisMUSM_603NotocetusSqualodelphisMedociniaUSNM_475496PhocageneusAraeodelphisPlatanistaMUSM_1611ZarhachisPomatodelphisZarhinocetusAllodelphisNinjadelphisEurhinodelphisXiphiacetusZiphiodelphisOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Godfrey_etal_2017a