Opinions from A. Cau and P. Arduini 2008
- 'Aberratiodontus belongs to Euornithes'
- 'Apsaravis belongs to Euornithes'
- 'Archaeorhynchus belongs to Euornithes'
- 'Avisauridae was reranked as a unranked clade and belongs to Euenantiornithes'
- 'Avisaurus belongs to Avisauridae'
- 'Boluochia belongs to Euenantiornithes'
- 'Concornis belongs to Avisauridae'
- 'Dalingheornis belongs to Euenantiornithes'
- 'Elsornis belongs to Euenantiornithes'
- 'Enantiophoenix belongs to Avisauridae'
- 'Enantiophoenix electrophyla belongs to Enantiophoenix'
- 'Enantiornithes belongs to Ornithothoraces'
- 'Eoalulavis belongs to Euenantiornithes'
- 'Eocathayornis belongs to Euenantiornithes'
- 'Eoenantiornis belongs to Euenantiornithes'
- 'Euenantiornithes belongs to Enantiornithes'
- 'Euornithes was reranked as a unranked clade and belongs to Ornithothoraces'
- 'Gansus belongs to Euornithes'
- 'Gobipteryx belongs to Euenantiornithes'
- 'Halimornis belongs to Avisauridae'
- 'Hongshanornis belongs to Euornithes'
- 'Iberomesornis belongs to Enantiornithes'
- 'Ichthyornis belongs to Euornithes'
- 'Longipteryx belongs to Euenantiornithes'
- 'Longirostravis belongs to Euenantiornithes'
- 'Neornithes belongs to Euornithes'
- 'Neuquenornis belongs to Avisauridae'
- 'Patagopteryx belongs to Euornithes'
- 'Protopteryx belongs to Euenantiornithes'
- 'Sinornis belongs to Euenantiornithes'
- 'Soroavisaurus belongs to Avisauridae'
- 'Vescornis belongs to Euenantiornithes'
- 'Vorona belongs to Euornithes'
- 'Yanornis belongs to Euornithes'
- 'Yixianornis belongs to Euornithes'