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 Recurvirostridae Bonaparte, 1831 - stilts, avocets
           Genus Recurvirostra Linnaeus, 1758
             1 Recurvirostra avosetta Linnaeus, 1758 - pied avocet
             2 Recurvirostra americana Gmelin, 1789 - American avocet
             3 Recurvirostra novaehollandiae Vieillot, 1816 - red-necked avocet
             4 Recurvirostra andina Philippi & Landbeck, 1861 - Andean avocet