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 Alcidae Vigors, 1825 - auks
           Genus Uria Brisson, 1760
             Uria lomvia (Linnaeus, 1758) - thick-billed murre
               1 Uria lomvia lomvia (Linnaeus, 1758)
               2 Uria lomvia eleonorae Portenko, 1937
               3 Uria lomvia heckeri Portenko, 1944
               4 Uria lomvia arra (Pallas, 1811)