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] Gruiformes Bonaparte, 1854
         Family Aramidae Bonaparte, 1849 [monotypic] - limpkins
           Genus Aramus Vieillot, 1816 [monotypic]
             Aramus guarauna (Linnaeus, 1766) - limpkin
               1 Aramus guarauna pictus (Meyer, 1794)
               2 Aramus guarauna elucus Peters, 1925
               3 Aramus guarauna dolosus Peters, 1925
               4 Aramus guarauna guarauna (Linnaeus, 1766)