Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
Count: [s] 23o;144f;2043g;9628s;2127ss; ‡1f;21g;74s;12ss
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
  Count: [s] 23o;144f;2043g;9628s;2127ss; ‡1f;21g;74s;12ss
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
    Count: [s] 21o;139f;2029g;9571s;2115ss; ‡1f;21g;74s;12ss
       Parvclass Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
      Count: [s] 3o;9f;120g;438s;106ss; ‡3g;5s;2ss
         Superorder Gallomorphae see Order Galliformes Temminck, 1820
        Count: [s] 2o;5f;74g;280s;61ss; ‡1g;2s
           1 Order Craciformes see Order Galliformes Temminck, 1820
          Count: [s] 2f;17g;69s;18ss
           2 Order Galliformes Temminck, 1820 - fowl
          Count: -