After McKenna & Bell, 1997, with Recent species from Nowak, 1991

<==o Microbiotheria Ameghino, 1889 [taxonomic history]
   `--o Microbiotheriidae Ameghino, 1887 [taxonomic history] (villakarvaopossumit)
      |-- †Khasia cordillerensis Marshall & de Muizon, 1988; L.Pal. SA.
      |?- †Mirandatherium alipioi (Paula Couto, 1952) Paula Couto, 1952 [†Mirandaia alipioi Paula Couto, 1952 (non Mirandaia Travassos, 1937, a genus of nematodes), incl. †Mirandaia ribeiroi Paula Couto, 1952] [treated as didelphine opossum by Marshall et al., 1990]
      |--o †Microbiotherium Ameghino, 1887 [taxonomic history]
      |  |-- †M. acclinum
      |  |-- †M. forticulum
      |  |-- †M. gallegosense
      |  |-- †M. patagonicum
      |  |-- †M. tehuelchum
      |  `-- †M. tortor
      |-- †Eomicrobiotherium Marshall, 1982; L.Eoc. SA.
      |-- †Ideodelphys microscopicus Ameghino, 1902 [Ideodidelphys Schlosser, 1923] L.Eoc. SA.
      |-- †Pitheculus australis Ameghino, 1894; L.Mioc. SA.
      `--o Dromiciops australis (Philippi, 1893) Thomas, 1894; R. SWSA. (monito del monte; chilenpussirotta)
         |-- D. a. australis (Philippi, 1893)
         `-- D. a. gliroides Thomas, 1894 (<Chiloé Island>)

Reference(s):

 

Special thanks to:

Jos H. M. Dols, for gathering additional information and missing species.