Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass †Enantiornithes Walker, 1981 see Infraclass Enantiornithes Walker, 1981
     Order †Eoenantiornithiformes Hou et al., 1999
       Family †Eoenantiornithidae Hou et al., 1999
         1 Genus †Eoenantiornis L. Hou et al., 1999