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

<==o Caviidae Fischer de Waldheim, 1817 [taxonomic history] (guinea pigs; marsut)
   |?- †Strata Ameghino, 1886; U.Mioc. SA.
   |--o Caviinae Fischer de Waldheim, 1817 [taxonomic history] (true guinea pigs; varsinaiset marsut)
   |  |-- †Neoprocavia Ameghino, 1889 [†Procavia Ameghino, 1885 (non Procavia Storr, 1780, a hyrax-genus (Ungulata: Paenugulata: Hyracoidea))] U.Mioc. SA.
   |  |-- †Allocavia Pascual, 1962; U.Mioc. SA.
   |  |-- †Palaeocavia Ameghino, 1889; U.Mioc.-U.Plioc. SA.
   |  |-- †Neocavia Kraglievich, 1932; U.Mioc.-?L.Plioc. SA.
   |  |--o †Dolicavia C. Ameghino, 1916; U.Plioc.-L.Pleist. SA.
   |  |  `-- †D. minuscula
   |  |-- †Macrocavia Rusconi, 1933; U.Plioc. SA.
   |  |-- †Caviops Ameghino, 1908; U.Plioc. SA.
   |  |-- †Pascualia Ostega Hinojosa, 1963; U.Plioc. SA.
   |  |--o Galea Meyen, 1833 [non Galea Shirai, 1996, a group of sharks] (yellow-toothed cavies, cuis, cuy's)
   |  |  |-- G. sp. [Hohoff, Solmsdorff, Löttker, Kemme, Epplen, Cooper & Sachser, 2002] [Bolivia, SA.]
   |  |  |-- G. flavidens (Brandt, 1835) (yellow-toothed cavy)
   |  |  |-- G. musteloides Meyen, 1833 (Cuis Comu[']n)
   |  |  `-- G. spixii (Wagler, 1831)
   |  |--o Microcavia Gervais & Ameghino, 1880 [incl. Caviella Osgood, 1915; Monticavia Thomas, 1916; Nanocavia Thomas, 1925] M.Pleist.-R. SA. (Mountain guinea pigs; pikkumarsut)
   |  |  |-- M. australis (I. Geoffroy & d'Orbigny, 1833) (aavikkopikkumarsu)
   |  |  |-- M. niata (Thomas, 1898) (pohjanpikkumarsu)
   |  |  `-- M. shiptoni (Thomas, 1925) (Cavia Andino)
   |  |--o Cavia Pallas, 1766 [taxonomic history] (common guinea pigs; marsut)
   |  |  |-- C. aperea Erxleben, 1777 (marsu)
   |  |  |  |-- C. a. aperea Erxleben, 1777 (Conejo de las Indias, Cuis Selvatico; Cavy; villimarsu)
   |  |  |  `-- C. a. porcellus Linnaeus, 1758 (domestic guinea pig; marsu)
   |  |  |-- C. fulgida Wagler, 1831 (kobaia)
   |  |  |-- C. magna Ximinez, 1980
   |  |  `-- C. tschudii (Fitzinger, 1857) (Cuis Serrano)
   |  `-- Kerodon rupestris (Wied, 1820) F. Cuvier, 1825 [Kerodons F. Cuvier, 1829; Cerodon Wagler, 1830; †Ceratodon Wagler, 1830] U.Pleist.-R. SA. (moco; rock cavy; kalliomarsu)
   |--o Dolichotinae Pocock, 1922 (maras; marat)
   |  |--o †Prodolichotis Kraglievich, 1932; M.Mioc.-U.Plioc. SA.
   |  |  `-- †P. pridiana
   |  |-- †Orthomyctera Ameghino, 1889 [incl. †Orthomyctera (Orocavia) Kraglievich, 1932] U.Mioc.-U.Plioc. SA.
   |  |-- †Pliodolichotis Kraglievich, 1927; U.Mioc. SA.
   |  |-- †Propediolagus Ortega Hinojosa, 1963; ?U.Plioc. SA.
   |  `--o Dolichotis Desmarest, 1820 [taxonomic history] (maras, Patagonian hares; marat)
   |     |-- D. patagonum (Zimmermann, 1780) (Patagonian hare; mara, pampajänis)
   |     `-- D. salinicola Burmeister, 1876 (dwarf Patagonian cavy; aavikkomara)
   `--o †Cardiomyinae Kraglievich, 1930
      |-- †Procardiomys Pascual, 1961; U..Mioc. SA.
      |-- †Parodimys Kraglievich, 1932; U.Mioc. SA.
      `--o †Cardiomys Ameghino, 1885 [incl. †Caviodon Kraglievich, 1941; †Diocartherium Ameghino, 1888, †Lelongia Kraglievich, 1930; †Paracaviodon Kraglievich, 1932; †Pseudocerdiomys Kraglievich, 1932]
         |-- †C. australe
         `-- †C. multiplicatus

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