After Tedford, Wang & Taylor, 2009, with Recent species from Nowak, 1991

<==o Vulpes Frisch, 1775 [Fennecus Desmarest, 1804; Megalotis Illiger, 1811; Vulpis Gray, 1821; Alopex Kaup, 1829; Cynalopex H. Smith, 1839; Leucocyon Gray, 1868; Mamvulpesus Herrera, 1899; Xenalopex Kretzoi, 1954] (foxes; ketut)
   |-- †V. kernensis Tedford, Wang & Taylor, 2009; L.Mioc. NAm.
   `--+-- †V. stenognathus Savage, 1941; L.Mioc. NAm.
      `--+--+-- †V. alopecoides Major, 1875
         |  `--+-- †V. praeglacialis Kormos, 1932
         |     `--+-- †V. angustidens Thenius. 1954
         |        `-- V. vulpes (Linnaeus, 1758) [48 ssp.!!] [Canis vulpes Linnaeus, 1758; V. fulvus] (red fox; kettu)
         `--+-- †V. praecorsac Kormos, 1932
            `-- V. corsac [3 ssp.] (corsac; korsakki)

    †V. beihaiensis Qiu & Tedford, 1990
    †V. chikushanensis Teilhard de Chardin, 1940
    †V. galaticusV. pattisoniV. pulcherV. riffautae de Bonis, Peigné, Likius, Mackaye, Vignaud & Brunet, 2007
    V. ferrilata (Tibetan sand fox; tiibetinkettu)
    V. cana (Blanford's fox; blanfordinkettu)
    V. velox (Say, 1823) [10 ssp.] (swift fox; kissakettu)
        V. v. velox (kissakettu)
        V. v. hebes (pikkukissakettu)
        V. v. neomexicana (meksikonaavikkokettu)
    V. macrotis Merriam, 1888 [ssp.=>V. velox??] (kit fox)
        V. m. mutica
        V. m. macrotis
    V. bengalensis (Bengal fox; bengalinkettu)
    V. rueppellii [6 ssp.] (Sand fox; hiekkakettu)
    V. pallida (Pale fox; vaaleakettu)
    V. chama (Cape fox; kaamakettu, kapinkettu)

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