| regnum = Animalia | phylum = Chordata | classis = Mammalia | infraclassis = Marsupialia | ordo = Microbiotheria | ordo_authority = Ameghino, 1889 | familia = Microbiotheriidae | familia_authority = Ameghino, 1887 | subdivision_ranks = Genus | subdivision = †Khasia†Mirandatherium†Eomicrobiotherium†Ideodelphys†PitheculusDromiciops }} The Monito del Monte's the only extant member of its family (Microbiotheriidae) and the only surviving member of an ancient order, th… (More on Microbiotheriidae)