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

<==o Sciurida Carus, 1868 [Sciurii Fischer de Waldheim, 1817; Sciuriorum Fischer de Waldheim, 1817; Sciuroidea Gill, 1872] ( squirrel-like rodents; oravamaiset jyrsijät)
   |--o ?†Reithroparamyidae A.E. Wood, 1962 [Reithroparamyinae A.E. Wood, 1962; Reithroparamyidae Patterson & A.E. Wood, 1982; Reithroparamyidae McKenna & Bell, 1997] [paraphyletic?]
   |  |?- †“Leptotomus” sciuroides [Reithroparamys?, Reithroparamys gidleyi]
   |  `--o †Reithroparamys Matthew, 1920 [incl. Uriscus A.E. Wood, 1962] L.-M.Eoc. NA.
   |     |-- †R. atwateri [“Paramys” atwateri]
   |     |-- †R. ctenodactylops
   |     |-- †R. debequensis
   |     |-- †R. delicatissimus (Leidy, 1871b)
   |     |-- †R. huerfanensis ---> Sciuridae??
   |     `-- †R. matthewi A.E. Wood, 1962
   `--o Sciuridae Fischer de Waldheim, 1817 [taxonomic history] (squirrels; oravat)
      |?- †Getuloxerus [Sciuridae incertae sedis]
      |?- †Kherem hsandgoliensis Minjin, 2004; L.Olig. EAs.
      |?- †Oligosciurus dangheensis Wang & Qiu, 2004
      |?- †Sciurion campestre Skwara, 1986; L.Mioc. NA.
      |?- †Vulcanisciurus Lavocat, 1973; Mioc. Af.
      |--o †Cedromurinae Korth & Emry, 1991
      |  |-- †Oligospermophilus Korth, 1987; U.Eoc.-L.Olig. NA.
      |  `--o †Cedromus R.W. Wilson, 1949; L.Olig. NA.
      |     `-- †C. wilsoni
      `--+-- Pteromyinae Brandt, 1855 [taxonomic history] (flying squirrels; liitävät oravat)
         `--o Sciurinae Fischer de Waldheim, 1817 [taxonomic history] (true squirrels; varsinaiset oravat)
            |?- †Plesiosciurus sinensis Qiu & Liu, 1986; M.Mioc. As.
            |?- †Prospermophilus Qiu & Storch, 2000; Plioc. EAs.
            |?- †Similisciurus Stevens, 1977; L.Mioc. NA.
            |?- †Sinotamias Qiu, 1991; M.-U.Mioc. As.
            |?-o Sciurotamias Miller, 1901 [incl. Rupestes Thomas, 1922] U.Mioc.-R. As. (Montane Chinese rock squirrels)
            |  |-- (Scuirotamias) davidianus (pedre David's rock squirrel)
            |  `-- (Rupestes) forresti (forrest's rock squirrel)
            |-- Sciurini Fischer de Waldheim, 1817 [taxonomic history] (squirrels; oravat)
            |-- Xerini Murray, 1866 [taxonomic history] (African Ground Squirrels; afrikan maaoravat)
            |-- Marmotini Pocock, 1923 (marmots, susliks, and prairie dogs; murmelit, siiselit ja preeriakoirat)
            |-- Tamiini Weber, 1928 [taxonomic history] (chipmunks; maaoravat)
            |-- Ratufini Moore, 1959 [taxonomic history] (Indo-Malayan giant squirrels; intianjättioravat)
            |-- Nannosciurini Forsyth Major, 1893 [taxonomic history] (Oriental tree squirrels; kääpiöoravat)
            |-- Protoxerini Moore, 1959 (Central African giant squirrels and Sun squirrels; keski-afrikan jättioravat ja aurinko-oravat)
            |-- Funambulini Pocock, 1923 [taxonomic history] (African tree squirrels; palmuoravat)
            `-- Tamiasciurini Pocock, 1923 (red squirrels; punaoravat)

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