After McKenna & Bell, 1997, with Recent species from Nowak, 1991 and fossil species form “Paleobiology Database”

<==o Euphractinae Winge, 1923 [Synonyms]
   |?- †Coelutaetus cribellatus Ameghino, 1902 [Coelutaelus lapsus calami]
   `--+--o †Utaetus Ameghino, 1902 [Posteutatus Ameghino, 1902; Pareutaetus Ameghino, 1902; Orthutaetus Ameghino, 1902] [Utaetini Simpson, 1945]
      |  |-- †U. chilensis (Carlini et al., 2009) [Parutaetus chilensis Carlini et al., 2009]
      |  |-- †U. buccatus Ameghino 1902 [Orthutaetus clavatus Ameghino, 1902; Orthutaetus crenulatus Ameghino, 1902; Parutaetus chicoensis Ameghino, 1902; Parutaetus clusus Ameghino, 1902; Parutaetus signatus Ameghino, 1902; Posteutatus indemnis Ameghino, 1902; Posteutatus indentatus Ameghino, 1902; Posteutatus scabridus Ameghino, 1902; Utaetus argos Ameghino, 1902; Utaetus laxus Ameghino, 1902]
      |  |-- †U. deustus Ameghino, 1902
      |  |-- †U. laevus Ameghino, 1902
      |  `-- †U. lenis Ameghino 1902
      `--+--o Chlamyphorus Harlan, 1825 [Chlamydophorus Wagler, 1830] [incl. Burmeisteria Gray, 1865; Chaetophractus?] [Chlamyphorini Pocock, 1924] [Synonyms] (myyrävyötiäiset)
         |  |-- C. truncatus (myyrävyötiäinen)
         |  `-- C. retusus (isomyyrävyötiäinen)
         `--+--o †Eutatini Bordas, 1933 [Eutaninae Bordas, 1933; Eutatini Simpson, 1945]
            |  |--o †Meteutatus Ameghino, 1902
            |  |  |-- †M. anthinus Ameghino, 1902
            |  |  |-- †M. concavus Ameghino, 1902
            |  |  |-- †M. lagenaformis Ameghino, 1897 [Proeutatus lagenaformis]
            |  |  |-- †M. lucidus Ameghino, 1902
            |  |  `-- †M. percarinatus Ameghino, 1902
            |  |?- †Anteutatus Ameghino, 1902 [jr. synon of Utaetus Ameghino, 1902 (PaleoDB, 2016)]
            |  |--o †Barrancatatus Carlini, Ciancio & Scillato-Yané, 2010
            |  |  |-- †B. maddeni Carlini, Ciancio & Scillato-Yané, 2010
            |  |  `-- †B. sp. (Carlini, Ciancio & Scillato-Yané, 2010)
            |  |--o †Pseudeutatus Ameghino, 1902 [incl. Pachyzaedyus Ameghino,1902; Pachyzaedius Ameghino, 1906]
            |  |  |-- †P. circundatus Ameghino, 1902
            |  |  |-- †P. clypeus Ameghino, 1902
            |  |  |-- †P. cuneiformis Ameghino, 1902
            |  |  `-- †P. depictus Ameghino, 1902
            |  |--o †Sadypus Ameghino, 1902
            |  |  |-- †S. ascendens [=? Meteutatus lagenaformis Ameghino, 1897]
            |  |  |-- †S. confluens Ameghino, 1902 [=? Meteutatus confluens (Ameghino, 1902)]
            |  |  |-- †S. minutus Carlini, Ciancio & Scillato-Yané, 2010
            |  |  `-- †M. tortuosus (Ameghino, 1902) [Anutaetus tortuosus Ameghino, 1902; ?Meteutatus tortuosus (Ameghino, 1902)]
            |  |--o †Stenotatus Ameghino, 1891 [Stegotheriopsis Bordas, 1939; incl. Prodasypus Ameghino, 1894]
            |  |  |-- †S. karaikensis Ameghino, 1889
            |  |  `-- †S. planus Scillato-Yané & Carlini, 1998
            |  |--o †Proeutatus Ameghino, 1891 [incl. Thoracotherium Mercerat, 1891]
            |  |  |-- †P. oenophorum Ameghino, 1887
            |  |  `-- †P. postpuntum Ameghino, 1902            
            |  |-- †Archaeutatus malaspinensis Ameghino, 1902
            |  |-- †Paraeutatus Scott, 1903 [Proparaeutatus Trouessart, 1905]
            |  |--o †Doellotatus Bordas, 1932 [Eutatopsis Kraglievich, 1934]
            |  |  |-- †D. chapadmalensis Bordas 1932
            |  |  `-- †D. inornatus Bordas 1932
            |  |--o †Chasicotatus Scillato-Yané, 1977
            |  |  |-- †C. ameghinoi Scillato-Yané, 1979
            |  |  |-- †C. peiranoi Esteban & Nasif, 1996
            |  |  `-- †C. spinozai Scillato-Yané et al., 2010
            |  |-- †Ringueletia Reig, 1958
            |  `--o †Eutatus Gervais, 1867
            |     |-- †E. carinatus Ameghino, 1891 [Proeutatus carinatus]
            |     |-- †E. deleo Ameghino, 1891 [Proeutatus deleo]
            |     |-- †E. distans Ameghino, 1887 [Thoracotherium cruentum Mercerat, 1891]
            |     |-- †E. lagena Ameghino, 1887 [Thoracotherium vetum Mercerat, 1891]
            |     |-- †E. pascuali Krmpotic, 2009
            |     |-- †E. praepampaeus Ameghino, 1904
            |     `-- †E. seguini Gervais, 1867 [Eutatus brevis Ameghino, 1881; Eutatus punctuatus Ameghino, 1881]
            `--o Euphractini Winge, 1923 [Synonyms]
               |-- †Isutaetus petrinus Ameghino, 1902
               |-- †Hemiutaetus constellatus Ameghino, 1902
               |--o †Amblytatus Ameghino, 1902
               |  |-- †A. areolatus Ameghino 1902
               |  `-- †A. pandus Ameghino 1902
               |--o †Prozaedyus Ameghino, 1891
               |  |-- †P. exilis  Ameghino, 1887
               |  |-- †P. impressus Ameghino, 1897
               |  |-- †P. minimus Desmarest, 1860
               |  |-- †P. planus Ameghino, 1897
               |  |-- †P. proximus Ameghino, 1887
               |  |-- †P. humilis Ameghino, 1902
               |  `-- †P. tenuissimus Ameghino, 1902
               |--o †Vetelia Ameghino, 1891
               |  |-- †V. puncta Ameghino, 1891
               |  `-- †V. gandhii Esteban & Nasif, 1996
               |--o †Proeuphractus Ameghino, 1886 [incl.? Eodasypus Ameghino, 1894]
               |  |-- †P. laevis Ameghino, 1897
               |  |-- †P. limpidus Ameghino 1886 [Dasypus limpidus; Proeuphractus recens Ameghino 1887]
               |  |-- †P. limus Ameghino, 1891
               |  |-- †P. nanus Ameghino, 1891 [Eodasypus nanus (Ameghino, 1891) Ameghino, 1894]
               |  `-- †P. setiger Ameghino, 1897
               |-- †Paleuphractus argentinus Kraglievich, 1934
               |-- †Chorobates villosissimus Reig, 1958
               |-- †Macroeuphractus retusus Ameghino, 1887 [Dasypotherium Moreno, 1889; Dasypus retusus]
               |-- †Neophractus martae Esteban & Nasif, 1996
               |-- †Paraeuphractus Scillato-Yané, 1975 (non 1980?)
               |--o †Acantharodeia Rovereto, 1914 [Macrochorobates Scillato-Yané, 1980]
               |  |-- †A. spicata Rovereto, 1914
               |  |-- †A. chapadmalensis (Ameghino, 1908) [Macrochorobates chapadmalensis (Ameghino, 1908)]
               |  `-- †A. scalabrinii (Moreno & Mercerat 1891) [Proeuphractus scalabrinii Moreno & Mercerat 1891; Macrochorobates scalabrinii (Moreno & Mercerat 1891)]
               |--o Zaedyus pichiy (Desmarest, 1804) Ameghino, 1889 [Zaedypus Lydekker, 1890; Zaedius Lydekker, 1894] (pichi)
               |  |-- Z. p. caurinus Thomas, 1928
               |  `-- Z. p. pichiy Desmarest, 1804
               |--o Euphractus sexcinctus (Linnaeus, 1758) Wagler, 1830 [Synonyms] (Six-banded armadillo; kuusivyövyötiäinen)
               |  |-- E. s. boliviae Thomas, 1907
               |  |-- E. s. flavimanus Desmarest, 1804
               |  |-- E. s. setosus Wied, 1826
               |  `-- E. s. tucumanus Thomas, 1911
               `--o Chaetophractus Fitzinger, 1871 (harjasvyötiäiset)
                  |--o C. vellerosus (Gray, 1865) (Screaming hairy armadillo; kiljuharjasvyötiäinen)
                  |  |-- C. v. vellerosus (Gray, 1865)
                  |  `-- C. v. pannosus (Thomas, 1902)
                  |-- C. nationi (Thomas, 1894) (Andean hairy armadillo; harjasvyötiäinen)
                  `-- C. villosus (Desmarest, 1804) (Big hairy armadillo; isoharjasvyötiäinen)

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