OrnithorhynchusTachyglossusVincelestesUkhaatheriumAsioryctesDeltatheridiumMayulestesPucadelphysAndinodelphysDidelphisMonodelphisCaenolestesDasyuroidesDasyurusPhascogaleNotoryctesEchymiperaPeramelesDromiciopsTrichosurusPhalangerPetaurusPseudochiropsCercartetusMacropusDendrolagusDorcopsisThylogaleVombatusPhascolarctosHerpetotheriumAsiatheriumOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Horovitz_etal_2008a