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] Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
         Family Burhinidae Mathews, 1912 - thick-knees
           Genus Esacus Lesson, 1831
             1 Esacus recurvirostris (Cuvier, 1829)
             2 Esacus magnirostris (Vieillot, 1818) - great stone plover