OrnithorhynchusTachyglossusVincelestesUkhaatheriumAsioryctesErinaceusDasypusDeltatheridiumMayulestesPucadelphysDidelphisMonodelphisCaenolestesDasyuroidesDasyurusPhascogaleNotoryctesEchymiperaPeramelesDromiciopsTrichosurusPhalangerPetaurusPseudochiropsCercartetusMacropusDendrolagusDorcopsisThylogaleVombatusPhascolarctosOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Horovitz_et_Sanchez-Villagra_2003a