After McKenna & Bell, 1997

    Sciurus Linnaeus, 1758
        Aphrontis Schulze, 1893
        Mamsciurus Herrera, 1899
    including:
        Guerlinguetus Gray, 1821
        Macroxus F. Guvier, 1823
        Echinosciurus Trouessart, 1880
        Neosciurus Trouessart, 1880
        Parasciurus Trouessart, 1880
        Hesperosciurus Nelson, 1899
        Otosciurus Nelson, 1899
        Baiosciurus Nelson, 1899
        Syntheosciurus Bangs, 1902
        Tenes Thomas, 1909
        Notosciurus Allen, 1914
        Mesosciurus Allen, 1915
        Hadrosciurus Allen, 1915
        Urosciurus Allen, 1915
        Histriosciurus Allen, 1915
        Oreosciurus Ognev, 1935

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