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] Coraciiformes Forbes, 1884 - rollerlike birds
         Family Alcedinidae Bonaparte, 1831 - kingfishers
           Subfamily Halcyoninae Vigors, 1825
             Genus Dacelo Leach, 1815
               1 Dacelo novaeguineae (Hermann, 1783) - laughing kookaburra
               2 Dacelo leachii Vigors & Horsfield, 1826 - blue-winged kookaburra
               3 Dacelo tyro G.R. Gray, 1858 - spangled kookaburra
               4 Dacelo gaudichaud Quoy & Gaimard, 1824 - rufous-bellied kookaburra