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 Picumnus Temminck, 1825
                 01 Picumnus innominatus E. Burton, 1836 - speckled piculet
                 02 Picumnus aurifrons Pelzeln, 1870 - bar-breasted piculet
                 03 Picumnus pumilus Cabanis & Heine, 1863 - Orinoco piculet
                 04 Picumnus lafresnayi Malherbe, 1862 - Lafresnaye's piculet
                 05 Picumnus exilis (M.H.K. Lichtenstein, 1823) - golden-spangled piculet
                 06 Picumnus fuscus Pelzeln, 1870 - rusty-necked piculet
                 07 Picumnus sclateri Taczanowski, 1877 - Ecuadorian piculet
                 08 Picumnus squamulatus Lafresnaye, 1854 - scaled piculet
                 09 Picumnus spilogaster Sundevall, 1866 - white-bellied piculet
                 10 Picumnus minutissimus (Pallas, 1782) - Guianan piculet
                 11 Picumnus pygmaeus (M.H.K. Lichtenstein, 1823) - spotted piculet
                 12 Picumnus steindachneri Taczanowski, 1882 - speckle-chested piculet
                 13 Picumnus varzeae E. Snethlage, 1912 - Varzea piculet
                 14 Picumnus cirratus Temminck, 1825 - white-barred piculet
                 15 Picumnus dorbygnianus Lafresnaye, 1845 - ocellated piculet
                 16 Picumnus temminckii Lafresnaye, 1845 - ochre-collared piculet
                 17 Picumnus albosquamatus d'Orbigny, 1840 - white-wedged piculet
                 18 Picumnus rufiventris (Bonaparte, 1838) - rufous-breasted piculet
                 19 Picumnus fulvescens Stager, 1961 - tawny piculet
                 20 Picumnus limae E. Snethlage, 1924 - ochraceous piculet
                 21 Picumnus nebulosus Sundevall, 1866 - mottled piculet
                 22 Picumnus castelnau Malherbe, 1862 - plain-breasted piculet
                 23 Picumnus subtilis Stager, 1968 - fine-barred piculet
                 24 Picumnus olivaceus Lafresnaye, 1845 - olivaceous piculet
                 25 Picumnus granadensis Lafresnaye, 1847 - greyish piculet
                 26 Picumnus cinnamomeus Wagler, 1829 - chestnut piculet