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] Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
         Family Cuculidae Vigors, 1825 - cuckoos
           Subfamily Cuculinae Vigors, 1825
             Genus Microdynamis Salvadori, 1878 [monotypic]
               Microdynamis parva (Salvadori, 1876) - dwarf koel
                 Microdynamis parva grisecens Dickinson, 2003, nom. null. see Microdynamis parva grisescens Mayr & Rand, 1936