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 Passeridae Rafinesque, 1815 - sparrows, snowfinches and allies
                 Genus Montifringilla C.L. Brehm, 1828, nom. nud.
                   1 Montifringilla nivalis (C. Linnaeus, 1766)
                   2 Montifringilla henrici (Oustalet, 1891)
                   3 Montifringilla adamsi Adams, 1858