After Weksler, Precequillo & Voss, 2006

    Euryoryzomys Weksler, Precequillo & Voss, 2006
        Oryzomys (in partim)
        Oryzomys nitidus group

        Euryoryzomys emmonsae (Musser et al., 1998)
            Oryzomys emmonsae Musser et al., 1998

        Euryoryzomys legatus (Thomas, 1925)
            Oryzomys legatus Thomas, 1925

        Euryoryzomys nitidus (Thomas, 1884)
            Oryzomys nitidus Thomas, 1884
          including:
            Oryzomys boliviae Thomas, 1901

        Euryoryzomys russatus (Wagner, 1848)
            Oryzomys russatus Wagner, 1848
          including:
            Oryzomys physodes Brants, 1827
            Oryzomys intermedius Leche, 1886
            Oryzomys coronatus Winge, 1887
            Oryzomys kelloggi Ávila-Pires, 1959
            Oryzomys moojeni Ávila-Pires, 1959

        Euryoryzomys macconnelli (Thomas, 1910)
            Oryzomys macconnelli Thomas, 1910
          including:
            Oryzomys incertus J.A. Allen, 1913
            Oryzomys mureliae J.A. Allen, 1915]

        Euryoryzomys lamia (Thomas, 1901)
            Oryzomys lamia Thomas, 1901

        Euryoryzomys russatus (Wagner, 1848)
            Oryzomys russatus Wagner, 1848

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