Order Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
   Suborder Alcae Sharpe - auks see Superfamily Laroidea Vigors, 1825
     Family Alcidae Vigors, 1825 - auks
       Subfamily Alcinae Vigors - auks, murres, puffins
         1 Genus †Miocepphus Wetmore, 1940
         2 Genus Cerorhinca Bonaparte, 1828
         3 Genus Uria Brisson, 1760
         4 Genus †Australca Brodkorb, 1955
         5 Genus Brachyramphus Brandt, 1837
         6 Genus Ptychoramphus Brandt, 1837