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
                 Cyanocorax yucatanica (A.J.C. Dubois, 1875) see Cyanocorax yucatanicus (Dubois, 1875)