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 Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Passeriformes Linnaeus, 1758
             Suborder Passeri see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766
               Parvorder Corvida Sibley et al., 1988
                 Superfamily Corvoidea
                   Family Corvidae Vigors, 1825 - crows, jays
                     Subfamily Corvinae see Family Corvidae Vigors, 1825
                       Tribe Corvini see Family Corvidae Vigors, 1825
                         Genus Cyanocorax Boie, 1826
                           01 Cyanocorax melanocyaneus (Hartlaub, 1844)
                           02 Cyanocorax sanblasianus (Lafresnaye, 1842)
                           03 Cyanocorax yucatanicus (Dubois, 1875)
                           04 Cyanocorax beecheii (Vigors, 1829)
                           05 Cyanocorax cyanomelas (Vieillot, 1818)
                           06 Cyanocorax caeruleus (Vieillot, 1818)
                           07 Cyanocorax violaceus Du Bus de Gisignies, 1847
                           08 Cyanocorax cristatellus (Temminck, 1823)
                           09 Cyanocorax heilprini Gentry, 1885
                           10 Cyanocorax cayanus (C. Linnaeus, 1766)
                           11 Cyanocorax affinis Pelzeln, 1856
                           12 Cyanocorax dickeyi R.T. Moore, 1935
                           13 Cyanocorax chrysops (Vieillot, 1818)
                           14 Cyanocorax cyanopogon (Wied-Neuwied, 1821)
                           15 Cyanocorax mystacalis (I. Geoffroy Saint-Hilaire, 1835)
                           16 Cyanocorax yncas (Boddaert, 1783) - green jay