After McKenna & Bell, 1997

    Peromyscus Gloger, 1841
        Sitomys Fitzinger, 1867
        Peromyscus (Vesperimus) Coues, 1874
        Sitomys (Trinodontomys) Rhoads, 1894
      including?:
        Hesperomys Murray, 1866, non Hesperomys Waterhouse, 1839 (Calomys Waterhouse, 1837)
      including:
        Haplomylomys Osgood, 1904]

Reference(s):