After McKenna & Bell, 1997, Negri & Ferigolo, 1999, and Kramarz, 2005, with Recent species from Nowak, 1991

<==o Chinchilloidea Bennett, 1833 [taxonomic history] (tsintsillojensukuiset jyrsijät)
   |--o Chinchillidae Bennett, 1833 [taxonomic history] (tsintsillat)
   |  |--o Lagostominae Wiegmann, 1832 [taxonomic history] (viskatsat)
   |  |  |--o †Eoviscaccia Vucetich, 1989; E.-L.Olig. SA. [treated as Chinchillidae incertae sedis by McKenna & Bell, 1997]
   |  |  |  |-- †E. boliviana
   |  |  |  `--+-- †E. australis
   |  |  |     `-- †E. frassinettii Bertrand, Flynn, Croft & Wyss, 2012
   |  |  |-- †Pliolagostomus Ameghino, 1887; L.-M.Mioc. SA.
   |  |  |--o †Prolagostomus Ameghino, 1887 [†Scotaeumys Ameghino, 1887; †Sphaeramys Ameghino, 1889; †Sphaeromys Ameghino, 1889] L.-M.Mioc. SA.
   |  |  |  |-- †P. imperialis
   |  |  |  `-- †P. inminutus (Ameghino, 1887) [†Scotaeumys inminutus Ameghino, 1887]
   |  |  `-- Lagostomus maximus (Desmarest, 1817) Brookes, 1828 [incl. †Lagostomopsis Kraglievich, 1926] ?U.Plioc., L.Pleist.-R. SA. (viskatsa)
   |  `--o Chinchillinae Bennett, 1833 [taxonomic history] (tsintsillat)
   |     |--o Lagidium Meyen, 1833 [Viscacia Rafinesque, 1815 (nomen nudum); Viscaccia Oken, 1816 (invalid)] R. SA.
   |     |  |-- L. peruanum Meyen, 1833 (vuoritsintsilloni)
   |     |  |-- L. viscacia (Molina, 1782) (Chinchillo[']n, Vizcacha Serrana)
   |     |  `-- L. wolffsohni (Thomas, 1907) (Chinchillo[']n Anaranjado)
   |     `--o Chinchilla Bennett, 1829 [Eriomys Lichtenstein, 1829] R. SA. (tsintsillat)
   |        |-- C. brevicaudata Waterhouse, 1848 (Short-tailed Chinchilla, Chinchilla Grande; isotsintsilla, lyhythäntätsintsilla)
   |        `-- C. lanigera (Molina, 1782) (Long-tailed Chinchilla, Chinchilla Chica; pikkutsintsilla, pitkähäntätsintsilla)
   `--+--o †Neoepiblemidae Kraglievich, 1926 sensu Negri & Ferigolo, 1999 [taxonomic history]
      |  |?-o †Perimys Ameghino, 1887 [†Sphiggomys Ameghino, 1887; †Sphodromys Ameghino, 1887; †Sphingomys Lydekker, 1892] L.Mioc. SA.
      |  |  `-- †P. incavatus
      |  |--o †Neoepiblema Ameghino, 1889 [†Epiblema Ameghino, 1886 (non Epiblema Hübner, 1816, a butterfly (Arthropoda: Insecta: Pterygota: Lepidoptera)] [incl. †Euphilus Ameghino, 1889]
      |  |  |-- †N. ambrosettianus (Ameghino, 1889) Bocquentin-Villanueva, Souza-Filho & Negri, 1990
      |  |  |?- †N. contorta
      |  |  `-- †N. horridula (Ameghino, 1886) Ameghino, 1889
      |  |-- †Eusigmomys oppositus (Ameghino, 1904) Amergino, 1905
      |  `--o †Phoberomys Kraglievich, 1926; U.Mioc-?L.Plioc. SA. [sensu Sánchez-Villagra, Aguilera & Horovitz, 2003] [incl. †Dabbenea Kraglievich, 1926; †Prodabbenea Kraglievich, 1940] sensu  [refered to Dinomyidae: Eumegamyinae by McKenna & Bell, 1997]
      |     |-- †P.? (Prodabbenea) minima Kraglievich, 1940]
      |     |-- †P. pattersoni (Mones, 1981) [Dabbenea pattersoni Mones, 1981]
      |     |-- †P. insolita (Kraglievich, 1926) [Dabbenea insolida Kraglievich, 1926]
      |     |-- †P. lozanoi (Kraglievich, 1940) [Dabbenea lozanoiKraglievich, 1940]
      |     |-- †P. bordasi Patterson, 1942
      |     |-- †P. burmeisteri (Ameghino, 1886) Kraglievich, 1926
      |     `-- †P. praecursor Kraglievich, 1932
      `--o Abrocomidae Miller & Gidley, 1918 (chinchilla rats; tsintsillarotat)
         |-- †Protabrocoma antigua Kraglievich, 1927; U.Mioc. SA.
         |--o Abrocoma Waterhouse, 1837 [Hadrocoma Wagner, 1842] R. SA.
         |  |-- A. bennettii (Chilean Chinchilla Rat, Bennett's chinchilla rat; chilentsintsillarotta)
         |  |-- A. boliviensis (Bolivian Chinchilla Rat; boliviantsintsillarotta)
         |  |-- A. budini (Budin's chinchilla rat)
         |  |-- A. cinerea (ashy chinchilla rat; Chinchilla Rata, Rata Chinchilla; tsintsillarotta)
         |  |-- A. famatina (Famatina chinchilla rat)
         |  |-- A. schistacea (Sierra del Tontal chinchilla rat)
         |  |-- A. uspallata (Uspallata chinchilla rat)
         |  `-- A. vaccarum (Punta de Vacas chinchilla rat or Mendozan chinchilla rat)
         `--o Cuscomys Emmons, 1999
            |-- C. ashaninka Emmons, 1999 (Asháninka Arboreal Chinchilla Rat)
            `-- C. oblativus (Eaton, 1916) [Acrocoma oblativa Eaton, 1916] (Machu Picchu Arboreal Chinchilla Rat)

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