After Rensberger, 1981 and McKenna & Bell, 1997, with Recent species from Nowak, 1991

<==o Aplodontidae Brandt, 1855 [nom. correct. Trouessart, 1897 pro Haplodontiidae Brandt, 1855] [Haplodontini Brandt, 1855; Haploodontidae Lilljeborg, 1866; Haplodontidae Alston, 1876; Aplodontiidae Thomas, 1897; Aplodontidae Trouessart, 1897] [incl. Meniscomyinae Rensberger, 1981; Ansomyinae Qiu, 1987] (vuorimajavat)
   |?- †Eohaplomys
   |?- †Oligopetes
   |?- †Pseudaplodon
   |?- †Selenomys
   |?- †Wellelodon
   `--+--o †Meniscomyinae Rensberger, 1981 [?]
      |  |?- †Sewelleladon
      |  |-- †Promeniscomys Wang, 1987; U.Olig. As.
      |  |?- †Horatiomys montanus Wood, 1935 [=? Niglarodon (McKenna & Bell, 1997)]
      |  `--+-- †Meniscomys Cope, 1878 [Protogaulus Riggs, 1899] U.Olig. NA.
      |     `--o †Niglarodon Black, 1961 [?incl. Horatiomys Wood, 1935 (nomen dubium)] U.Olig.-L.Mioc. NA.
      |        |--+-- †N. koerneri Black, 1961
      |        |  `-- †N. progressus Rensberger, 1981
      |        `--+--+-- †N. sp.
      |           |  `-- †N. blacki Rensberger, 1981
      |           `--+-- †N. yeariani
      |              `--+-- †N. petersonensis
      |                 `-- †N. loneyi Rensberger, 1981
      `--+?- †Entoptychinae Miller & Gidley, 1918 [McKenna & Bell, 1997 treated this taxon as Geomyids]
         `--o Aplodontinae Brandt, 1855 (vuorimajavat)
            |?- †Ansomys Qiu, 1987 [Ansomyinae Qiu, 1987] M.Mioc. As.
            |?- †Liodontia Miller & Gidley, 1918; M.Mioc.-L.Plioc. NA.
            |?- †Tardontia Shotwell, 1958; M.-U.Mioc. NA.
            |?- †Pseudaplodon Miller, 1927; U.Mioc. As. NA.
            |?- †Tschalimys Shevyreva, 1971; U.Mioc. As.
            `--o Aplodontia Richardson, 1829; U.Pleist.-R. NA.
               `--o A. rufa (Rafinesque, 1817) (Sewellel, mountain beaver; vuorimajava)
                  |-- A. r. californica (Peters, 1864)
                  |-- A. r. humboldtiana Taylor, 1916
                  |-- A. r. nigra Taylor, 1914
                  |-- A. r. pacifica Merriam, 1899
                  |-- A. r. phaea Merriam, 1899
                  |-- A. r. rainieri Merriam, 1899
                  `-- A. r. rufa (Rafinesque, 1817)

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