After McKenna & Bell, 1997

<==o †Paramyinae Haeckel, 1895 [nom. transl. Simpson, 1945 ex Paramyida Haeckel, 1895] [Paramyidae Miller & Gidley, 1918; Paramyinae Simpson, 1945] [incl. Manitshini Simpson, 1941; Manitshinae Wood, 1962; Microparamyinae Wood, 1962; Pseudoparamyinae Michaux, 1964]
   |?- †Taishanomys
   |?- †“Paramys” woodi
   |--o †Paramyini Haeckel, 1895 [nom. transl. Korth, 1984 ex Paramyida Haeckel, 1895]
   |  |-- †Acritoparamys francesci
   |  |--o †Paramys Leidy, 1871; U. Pal.-M. Eoc. NA., L.-M. Eoc. As. Eu.
   |  |  |-- †P. atavus
   |  |  |-- †P. adamus
   |  |  |-- †P. delicatus Leidy, 1871d
   |  |  |-- †P. delicatior Leidy, 1871d
   |  |  |-- †P. (excavatus) gardneri
   |  |  |-- †P. hunti Dawson, 2001
   |  |  |-- †P. compressidens (Wood, 1962)
   |  |  `--o †P. copei Loomis, 1907
   |  |     `-- †P. (copei) bicuspis
   |  |-- †Tapomys tapensis Wood, 1962 [incl. Uintaparamys Kretzoi, 1968]
   |  |-- †Notoparamys costilloi Korth, 1984
   |  |--o †Thisbemys Wood, 1959b
   |  |  |-- †T. perditus [Leptotomus huerfanensis]
   |  |  |-- †T. corrugatus Wood, 1959b
   |  |  `-- †T. plicatus Wood, 1962
   |  |-- †Abrosomys Shevyreva, 1984
   |  |--o †Quadratomys Korth, 1984
   |  |  |-- †Q. grandis
   |  |  |-- †Q. sundelli
   |  |  |-- †Q. grossus
   |  |  `?- †Q. gigans
   |  |?- †Uriscus Wood, 1962
   |  `?-o †Uintaparamys Kretzoi, 1984 [†Leptotomus Matthew, 1910 non Leptotomus Gahan, 1894 (a carabid beetle)] [listed as synonym of Tapomys by McKenna & Bell (1997)]
   |     |?- †U. coelumensis
   |     |-- †U. guildayi
   |     |-- †U. parvus (Wood, 1956)
   |     |-- †U. loomisi
   |     `-- †U. bridgerensis (Wood, A. E., 1962)
   `--+--o †Pseudoparamyini Michaux, 1964 [nom. transl. McKenna & Bell, 1997 ex Pseudoparamyinae Michaux, 1964]
      |  |--o †Franimys Wood, 1962; U. Pal.-L. Eoc. NA. ?M. Eoc. SAs.
      |  |  `-- †F. buccatus [“Paramys” buccatus]
      |  `--+-- †Pseudoparamys Michaux, 1964; L.-M. Eoc. Eu.
      |     `--o †Plesiarctomys Bravard, in Cervais, 1850; ?L. Eoc.-U. Eoc. Eu.
      |        `-- †P. lapicidinarum
      `--o †Manitshini Simpson, 1941
         |-- †Manitsha tanka Simpson, 1941; U. Eoc.-?L. Olig. NA.
         `--o †Pseudotomus Cope, 1872b [†Paramys (Ischyrotomus) Matthew, 1910] M.-U. Eoc. NA.
            |-- †P. hians Cope, 1872b
            |-- †P. robustus (Marsh, 1872)
            |-- †P. sp., cf. P. robustus
            |-- †P. californicus
            |-- †P. littoralis
            |-- †P. petersoni
            |-- †P. eugenei
            |-- †P. johanniculi
            `-- †P. timmys Storer, 1988

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