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

<==o Monodelphinae Talice, de Mosera & Machado, 1960 sensu Hershkovitz, 1992 [Didelphidae: Didelphinae: Monodelphini Talice, de Mosera & Machado, 1960 sensu McKenna & Bell, 1997]
   |-- †Zygolestes paramensis Ameghino, 1898 [Zygolestini Marshall, in Archer, ed., 1982]
   `--o Monodelphini Talice, de Mosera & Machado, 1960 ()
      |--o Marmosa Gray, 1821 [taxonomic history] (“hiiriopossumit”)? [9 sp.]
      |  |-- (Stegomarmosa) andersoni (anderson's mouse opossum)
      |  `--o (Marmosa) Gray, 1821
      |     |-- M. (M.) murina (Linnaeus, 1758) (hiiriopossumi)
      |     |-- M. (M.) rubra (red mouse opossum)
      |     |-- M. (M.) tyleriana (tyler's mouse opossum)
      |     |-- M. (M.) quichua
      |     |-- M. (M.) robinsoni (robinson's mouse opossum)
      |     |-- M. (M.) xerophila (pale mouse opossum)
      |     `-- M. (M.) mexicana Merriam, 1897 (mexican mouse opossum)
      `--+-- Tlacuatzin canescens (Allen, 1893) Voss & Jansa, 2003 [taxonomic history] (grayish mouse opossum)
         |--o Cryptonanus Voss, Lunde & Jansa, 2005 [taxonomic history]
         |  |-- C. agricolai (Moojen, 1943) [taxonomic history] (patagonianpussirotta)
         |  |-- C. chacoensis (Tate, 1931) [taxonomic history]
         |  |-- C. guahybae (Tate, 1931) [taxonomic history]
         |  |-- C. ignitus (Díaz, Flores & Barquez, 2002)
         |  `-- C. unduaviensis (Tate, 1931) [taxonomic history]
         |--o Gracilinanus Gardner & Creighton, 1989 [Grymaeomys Burminster, 1854, in partim]
         |  |?- G. blaseri (Miranda-Ribeiro, 1936) [Marmosa blaseri Miranda-Ribeiro, 1936]
         |  |?- G. herhardti (Miranda-Ribeiro, 1936) [Marmosa  herhardti Miranda-Ribeiro, 1936]
         |  |?- G. rondoni (Miranda-Ribeiro, 1936) [Thylamys rondoni Miranda-Ribeiro, 1936]
         |  |-- G. aceramarcae [Grymaeomys aceramarcea] (bolivian gracile opossum)
         |  |-- G. agilis (Burmeister, 1854) [Marmosa agilis Burmeister, 1854; Grymaeomys agilis Burmeister] [incl. G. beatrix; G. buenavistae; G. peruana] (agile opossum)
         |  |-- G. dryas [Grymaeomys dryas] (woodsprite gracile opossum)
         |  |-- G. emiliae (Thomas, 1909) [Thylamys emiliae (Thomas, 1909); ?Monodelphis emiliae] [incl. G. longicaudus] (emilia's gracile opossum)
         |  |-- G. marica [incl. G. perijae Hershkovitz, 1992] (northern gracile opossum)
         |  `-- G. microtarsus [Grymaeomys microtarsus]
         `--+--o Monodelphis Burnett, 1830 [taxonomic history] U. Mioc. R. SA [17]
            |  |--o (Monodelphis) Burnett, 1830 [13]
            |  |  |-- M. (M.) brevicaudata (northern redsided opossum)
            |  |  |-- M. (M.) orinoci
            |  |  |-- M. (M.) adusta (andean short-tailed opossum)
            |  |  |-- M. (M.) osgoodi (highland short-tailed opossum)
            |  |  |-- M. (M.) kunsi (kunsinpäästäisopossumi)
            |  |  |-- M. (M.) domestica (kotipäästäisopossumi)
            |  |  |-- M. (M.) maraxina (marajo's short-tailed opossum)
            |  |  |-- M. (M.) americana (northern three-striped opossum)
            |  |  |-- M. (M.) sorex (southern red-sided opossum)
            |  |  |-- M. (M.) emiliae (amazonian short-tailed opossum)
            |  |  |-- M. (M.) iheringi (lyhythäntäpäästäisopossumi)
            |  |  |-- M. (M.) theresa (southern three-striped opossum)
            |  |  `-- M. (M.) unistriata (single-striped opossum)
            |  `--o (Minuania) Cabrera, 1919 [4]
            |     |-- M. (M.) rubida (faint-striped opossum)
            |     |-- M. (M.) scalops (longsnouted opossum)
            |     |-- M. (M.) dimidiata (yellowsided opossum)
            |     `-- M. (M.) fosteri
            `--+?- Chacodelphys formosa (Shamel, 1930) Voss, Gardner & Jansa, 2004 [taxonomic history]
               |--o †Thylatheridium Reig, 1952
               |  |-- †T. cristatum Reig, 1952
               |  |-- †T. dolgopolae Reig, 1952
               |  `-- †T. hudsoni Goin & Montalvo, 1988
               `--+--o Thylamys Grey, 1843 [incl. Lestodelphys?] [10]
                  |  |-- T. elegans (elegant fat-tailed mouse opossum)
                  |  |-- T. grisea
                  |  |-- T. tatei
                  |  |-- T. macrurus (paraguayan fat-tailed mouse opossum)
                  |  |--+-- T. pallidior (whitebellied fat-tailed mouse opossum)
                  |  |  `?- Lestodelphys halli Tate, 1934
                  |  |-- T. pusilla (common fat-tailed opossum)
                  |  |-- T. velutina (dwarf fat-tailed mouse opossum)
                  |  |-- T. venustus
                  |  `-- T. karimii
                  `--+--o Micoureus Lesson, 1842 [Micoures] [10 sp.]
                     |  |-- M. cinerea [?Marmosa cinerea (Temminck, 1843)]
                     |  |-- M. alstoni (alston's woolly mouse opossum)
                     |  |-- M. domina
                     |  |-- M. constantiae (whitebellied woolly mouse opossum)
                     |  |-- M. mapiriensis
                     |  |-- M. rapposa
                     |  |-- M. germana
                     |  |-- M. regina (baretailed woolly mouse opossum)
                     |  |-- M. paraguayanus
                     |  |-- M. phaea
                     |  `-- M. demerarae (woolly mouse opossum)
                     `?-o Marmosops Matschie, 1916 [20 sp.]
                        |-- M. noctivaga
                        |-- M. yungasensis
                        |-- M. leucastra
                        |-- M. ocellata
                        |-- M. incana
                        |-- M. scapulata
                        |-- M. invicta
                        |-- M. parvidens
                        |-- M. fuscata
                        |-- M. cracens (narrowheaded slender mouse opossum)
                        |-- M. impavida
                        |-- M. lepida [Marmosa lepida] (little rufous mouse opossum)
                        |-- M. dorothea (dorothy's slender mouse opossum)
                        |-- M. fuscatus (dusky slender mouse opossum)
                        |-- M. handleyi (handley's slender mouse opossum)
                        |-- M. impavidus (tschudi's slender mouse opossum)
                        |-- M. incanus (gray slender mouse opossum)
                        |-- M. invictus (panama's slender mouse opossum)
                        |?- M. noctivagus (whitebellied slender mouse opossum)
                        `-- M. parvidens (delicate slender mouse opossum)

Reference(s):

 

Special thanks to:

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