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
         suboscines see Suborder Suboscines
           Tyranni see Suborder Tyranni
             Family Furnariidae Gray, 1840 - ovenbirds
               Genus Margarornis Reichenbach, 1853
                 1 Margarornis rubiginosus Lawrence, 1865 - ruddy treerunner
                 2 Margarornis stellatus Sclater & Salvin, 1873 - fulvous-dotted treerunner
                 3 Margarornis bellulus Nelson, 1912 - beautiful treerunner
                 4 Margarornis squamiger (d'Orbigny & Lafresnaye, 1838) - pearled treerunner