Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Passeriformes Linnaeus, 1758
         oscines see Suborder Oscines
           Passerida - passeridans see Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
             Passeroidea
               Family Emberizidae Vigors, 1825 - buntings, American sparrows and allies
                 Subfamily Emberizinae see Family Emberizidae Vigors, 1825
                   Genus Aimophila Swainson, 1837
                     01 Aimophila ruficauda (Bonaparte, 1853)
                     02 Aimophila humeralis (Cabanis, 1851)
                     03 Aimophila mystacalis (Hartlaub, 1852)
                     04 Aimophila sumichrasti (Lawrence, 1871)
                     05 Aimophila stolzmanni (Taczanowski, 1877)
                     06 Aimophila strigiceps (Gould, 1839)
                     07 Aimophila carpalis (Coues, 1873) - rufous-winged sparrow
                     08 Aimophila cassinii (Woodhouse, 1852) - cassin's sparrow
                     09 Aimophila aestivalis (M.H.K. Lichtenstein, 1823) - Bachman's sparrow
                     10 Aimophila botterii (P.L. Sclater, 1858) - botteri's sparrow
                     11 Aimophila ruficeps (Cassin, 1852) - rufous-crowned sparrow
                     12 Aimophila rufescens (Swainson, 1827)
                     13 Aimophila notosticta (Sclater & Salvin, 1868)
                     14 Aimophila quinquestriata (Sclater & Salvin, 1868) - five-striped sparrow