Order Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
Count: [†g] 12f;21g; †1f;27g
   Suborder Alcae Sharpe - auks see Superfamily Laroidea Vigors, 1825
  Count: [†g] 1f;4g; †6g
     Family Alcidae Vigors, 1825 - auks
    Count: -
       Subfamily Alcinae Vigors - auks, murres, puffins
      Count: [†g] 4g; †2g
         Genus †Australca Brodkorb, 1955
        Count: -