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
       Galbulae see Suborder Galbulae Fürbringer, 1888
         Family Bucconidae Boie, 1826 - puffbirds
           Genus Notharchus Cabanis & Heine, 1863
             1 Notharchus macrorhynchos (J.F. Gmelin, 1788) - white-necked puffbird
             2 Notharchus pectoralis (G.R. Gray, 1846) - black-breasted puffbird
             3 Notharchus ordii (Cassin, 1851) - brown-banded puffbird
             4 Notharchus tectus (Boddaert, 1783) - pied puffbird