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
       [Order] Passeriformes Linnaeus, 1758
         oscines see Suborder Oscines
           "Corvida" - corvidans see Parvorder Corvida Sibley et al., 1988
             Family Corvidae Vigors, 1825 - crows, jays
               Genus Cyanocorax Boie, 1826
                 01 Cyanocorax melanocyanea (Hartlaub, 1844) see Cyanocorax melanocyaneus (Hartlaub, 1844)
                 02 Cyanocorax sanblasiana (Lafresnaye, 1842) see Cyanocorax sanblasianus (Lafresnaye, 1842)
                 03 Cyanocorax yucatanica (A.J.C. Dubois, 1875) see Cyanocorax yucatanicus (Dubois, 1875)
                 04 Cyanocorax beecheii (Vigors, 1829)
                 05 Cyanocorax violaceus Du Bus de Gisignies, 1847
                 06 Cyanocorax caeruleus (Vieillot, 1818)
                 07 Cyanocorax cyanomelas (Vieillot, 1818)
                 08 Cyanocorax cristatellus (Temminck, 1823)
                 09 Cyanocorax dickeyi R.T. Moore, 1935
                 10 Cyanocorax affinis Pelzeln, 1856
                 11 Cyanocorax mystacalis (I. Geoffroy Saint-Hilaire, 1835)
                 12 Cyanocorax cayanus (C. Linnaeus, 1766)
                 13 Cyanocorax heilprini Gentry, 1885
                 14 Cyanocorax chrysops (Vieillot, 1818)
                 15 Cyanocorax cyanopogon (Wied-Neuwied, 1821)
                 16 Cyanocorax yncas (Boddaert, 1783) - green jay
                 17 Cyanocorax morio (Wagler, 1829) - brown jay