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] Ciconiiformes Bonaparte, 1854
         Family Ardeidae Leach, 1820 - herons, bitterns and egrets
           Subfamily Cochleariinae Chenu & Des Murs, 1854 [monotypic] see Family Cochleariidae Ridgway, 1887
             Genus Cochlearius Brisson, 1760 [monotypic]
               Cochlearius cochlearius (Linnaeus, 1766) - boat-billed heron
                 1 Cochlearius cochlearius zeledoni (Ridgway, 1885)
                 2 Cochlearius cochlearius phillipsi Dickerman, 1973
                 3 Cochlearius cochlearius ridgwayi Dickerman, 1973
                 4 Cochlearius cochlearius panamensis Griscom, 1926
                 5 Cochlearius cochlearius cochlearius (Linnaeus, 1766)