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 Rallidae Vigors, 1825 - rails, waterhens, coots
           Genus Amaurolimnas Sharpe, 1893 [monotypic]
             Amaurolimnas concolor (Gosse, 1847) - uniform crake
               Amaurolimnas concolor guatemalensis (Lawrence, 1863)