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
       Pici see Suborder Pici Meyer & Wolf, 1810
         Family Picidae Vigors, 1825 - woodpeckers
           Subfamily Picinae Vigors, 1825 - true woodpeckers
             Genus Campephilus G.R. Gray, 1840
               01 Campephilus pollens (Bonaparte, 1845) - powerful woodpecker
               02 Campephilus haematogaster (Tschudi, 1844) - crimson-bellied woodpecker
               03 Campephilus rubricollis (Boddaert, 1783) - red-necked woodpecker
               04 Campephilus robustus (M.H.K. Lichtenstein, 1819) - robust woodpecker
               05 Campephilus melanoleucos (J.F. Gmelin, 1788) - crimson-crested woodpecker
               06 Campephilus guatemalensis (Hartlaub, 1844) - pale-billed woodpecker
               07 Campephilus gayaquilensis (Lesson, 1845) - Guayaquil woodpecker
               08 Campephilus leucopogon (Valenciennes, 1826) - cream-backed woodpecker
               09 Campephilus magellanicus (P.P. King, 1828) - Magellanic woodpecker
               10 ‡Campephilus principalis (C. Linnaeus, 1758) - ivory-billed woodpecker
               11 ‡Campephilus imperialis (Gould, 1832) - imperial woodpecker