Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Picae (C. Linnaeus, 1758) see Order Piciformes Meyer & Wolf, 1810
         Order Piciformes Meyer & Wolf, 1810 - scansorial birds
           Infraorder Picides see Suborder Pici Meyer & Wolf, 1810
             Family Picidae Vigors, 1825 - woodpeckers
               Genus Picus Linnaeus, 1758
                 01 Picus mineaceus Pennant, 1769 - banded woodpecker see Picus miniaceus Pennant, 1769
                 02 Picus chlorolophus Vieillot, 1818 - lesser yellownape
                 03 Picus puniceus Horsfield, 1821 - crimson-winged woodpecker
                 04 Picus flavinucha (Gould, 1834) - greater yellownape
                 05 Picus mentalis Temminck, 1826 - checker-throated woodpecker
                 06 Picus viridanus Blyth, 1843 - streak-breasted woodpecker
                 07 Picus vittatus Vieillot, 1818 - laced woodpecker
                 08 Picus xanthopygaeus (J.E. Gray & G.R. Gray, 1846) - streak-throated woodpecker
                 09 Picus squamatus Vigors, 1831 - scaly-bellied woodpecker
                 10 Picus awokera Temminck, 1836 - Japanese woodpecker
                 11 Picus viridis Linnaeus, 1758 - Eurasian green woodpecker
                 12 Picus vaillantii (Malherbe, 1847) - Levaillant's woodpecker
                 13 Picus rabieri (Oustalet, 1898) - red-collared woodpecker
                 14 Picus erythropygius (Elliot, 1865) - black-headed woodpecker
                 15 Picus canus J.F. Gmelin, 1788 - grey-faced woodpecker