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 Tigrisomatinae Payne & Risley, 1976 see Tribe Tigriornithini Bock, 1956
             Genus Tigrisoma Swainson, 1827
               1 Tigrisoma lineatum (Boddaert, 1783) - rufescent tiger heron
               2 Tigrisoma fasciatum (Such, 1825) - fasciated tiger heron
               3 Tigrisoma mexicanum Swainson, 1834 - bare-throated tiger heron