Opinions from X. Wang et al. 2014
- 'Archaeopteryx belongs to Aves'
- 'Archaeorhynchus belongs to Ornithuromorpha'
- 'Boluochia belongs to Longipterygidae'
- 'Cathayornis belongs to Enantiornithes'
- 'Chaoyangia belongs to Ornithuromorpha'
- 'Confuciusornithiformes belongs to Pygostylia'
- 'Enantiornithes belongs to Ornithothoraces'
- 'Eoenantiornis belongs to Enantiornithes'
- 'Eopengornis belongs to Pengornithidae'
- 'Eopengornis martini belongs to Eopengornis'
- 'Gansus belongs to Ornithuromorpha'
- 'Hesperornithiformes belongs to Ornithurae'
- 'Hongshanornithidae belongs to Ornithuromorpha'
- 'Ichthyornis belongs to Ornithurae'
- 'Jeholornis belongs to Aves'
- 'Jianchangornis belongs to Ornithuromorpha'
- 'Liaoningornis belongs to Ornithuromorpha'
- 'Longipterygidae belongs to Enantiornithes'
- 'Longipteryx belongs to Longipterygidae'
- 'Longirostravis belongs to Longipterygidae'
- 'Neornithes belongs to Ornithurae'
- 'Ornithothoraces belongs to Pygostylia'
- 'Ornithurae belongs to Ornithuromorpha'
- 'Ornithuromorpha belongs to Ornithothoraces'
- 'Pengornis belongs to Pengornithidae'
- 'Pengornis houi belongs to Pengornis'
- 'Pengornithidae belongs to Enantiornithes'
- 'Protopteryx belongs to Enantiornithes'
- 'Pygostylia belongs to Aves'
- 'Rapaxavis belongs to Longipterygidae'
- 'Sapeornithiformes belongs to Pygostylia'
- 'Schizooura belongs to Ornithuromorpha'
- 'Shanweiniao belongs to Longipterygidae'
- 'Shenqiornis belongs to Enantiornithes'
- 'Shenzhouraptor belongs to Aves'
- 'Songlingornithidae belongs to Ornithuromorpha'
- 'Zhongjianornis belongs to Ornithuromorpha'