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 [Psittaciformes] Wagler, 1830 [monotypic] - parrots
         Family Psittacidae Illiger, 1811 - cockatoos and parrots
           Subfamily Psittacinae Illiger, 1811 - typical parrots
             Tribe Cyclopsittini
               Genus Bolbopsittacus Salvadori, 1891 [monotypic]
                 Bolbopsittacus lunulatus (Scopoli, 1786) - guaiabero
                   1 Bolbopsittacus lunulatus lunulatus (Scopoli, 1786)
                   2 Bolbopsittacus lunulatus callainipictus Parkes, 1971
                   3 Bolbopsittacus lunulatus intermedius Salvadori, 1891
                   4 Bolbopsittacus lunulatus mindanensis (Steere, 1890)