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 Haematopodidae Gray, 1840 [monotypic] - oystercatchers see Family Haematopidae Bonaparte, 1838
           Genus Haematopus Linnaeus, 1758
             Haematopus ostralegus Linnaeus, 1758 - Eurasian oystercatcher
               1 Haematopus ostralegus ostralegus Linnaeus, 1758
               2 Haematopus ostralegus longipes Buturlin, 1910
               3 Haematopus ostralegus buturlini Dementiev, 1941
               4 Haematopus ostralegus osculans Swinhoe, 1871