Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Piciformes Meyer & Wolf, 1810 - scansorial birds
                   Superfamily Picoidea Vigors, 1825
                     Family Picidae Vigors, 1825 - woodpeckers
                       Subfamily Picumninae del Hoyo et al., 2014
                         Genus Picumnus Temminck, 1825
                           01 Picumnus cinnamomeus Wagler, 1829 - chestnut piculet
                           02 Picumnus rufiventris (Bonaparte, 1838) - rufous-breasted piculet
                           03 Picumnus fulvescens Stager, 1961 - tawny piculet
                           04 Picumnus castelnau Malherbe, 1862 - plain-breasted piculet
                           05 Picumnus spilogaster Sundevall, 1866 - white-bellied piculet
                           06 Picumnus minutissimus (Pallas, 1782) - Guianan piculet
                           07 Picumnus squamulatus Lafresnaye, 1854 - scaled piculet
                           08 Picumnus limae E. Snethlage, 1924 - ochraceous piculet
                           09 Picumnus olivaceus Lafresnaye, 1845 - olivaceous piculet
                           10 Picumnus granadensis Lafresnaye, 1847 - greyish piculet
                           11 Picumnus nebulosus Sundevall, 1866 - mottled piculet
                           12 Picumnus nigropunctatus Zimmer & Phelps, 1950 see Picumnus exilis salvini Hargitt, 1893
                           13 Picumnus exilis (M.H.K. Lichtenstein, 1823) - golden-spangled piculet
                           14 Picumnus borbae Pelzeln, 1870 see Picumnus aurifrons borbae Pelzeln, 1870
                           15 Picumnus aurifrons Pelzeln, 1870 - bar-breasted piculet
                           16 Picumnus temminckii Lafresnaye, 1845 - ochre-collared piculet
                           17 Picumnus cirrhatus Temminck, 1825 see Picumnus cirratus Temminck, 1825
                           18 Picumnus dorbygnianus Lafresnaye, 1845 - ocellated piculet
                           19 Picumnus sclateri Taczanowski, 1877 - Ecuadorian piculet
                           20 Picumnus steindachneri Taczanowski, 1882 - speckle-chested piculet
                           21 Picumnus varzeae E. Snethlage, 1912 - Varzea piculet
                           22 Picumnus pygmaeus (M.H.K. Lichtenstein, 1823) - spotted piculet
                           23 Picumnus asterias Sundevall, 1866 see Picumnus pygmaeus (M.H.K. Lichtenstein, 1823)
                           24 Picumnus pumilus Cabanis & Heine, 1863 - Orinoco piculet