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 Arremonops Ridgway, 1896
                     1 Arremonops rufivirgatus (Lawrence, 1851) - olive sparrow
                     2 Arremonops tocuyensis Todd, 1912
                     3 Arremonops chloronotus (Salvin, 1861)
                     4 Arremonops conirostris (Bonaparte, 1850)