ZygorhizaAgorophiusEudelphisZygophyseterBrygmophyseterDiaphorocetusPlacoziphiusOrycterocetusPhyseterulaAulophyseterPhyseterIRSNB_M_dot_1937ThalassocetusScaphokogiaPraekogiaKogiaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Lambert_2008b