Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Coraciae see Order Coraciiformes Forbes, 1884
         Superorder Coraciimorphae see Order Coraciiformes Forbes, 1884
           Order Coraciiformes Forbes, 1884 - rollerlike birds
             Suborder Alcedini see Suborder Halcyones Forbes, 1884
               Infraorder Alcedinides see Suborder Halcyones Forbes, 1884
                 Parvorder Cerylida see Superfamily Alcedinoidea Stejneger, 1885
                   Superfamily Halcyonoidea see Superfamily Alcedinoidea Stejneger, 1885
                     Family Halcyonidae Vigors - halcyonid kingfishers see Family Alcedinidae Bonaparte, 1831
                       Genus Todirhamphus Lesson, 1827 see Genus Todiramphus Lesson, 1827
                         Todirhamphus cinnamominus (Swainson, 1821) - Micronesian kingfisher see Todiramphus cinnamominus (Swainson, 1821)
                           Todirhamphus cinnamominus cinnamominusᵀ - Guam kingfisher see Todiramphus cinnamominus cinnamominus (Swainson, 1821)