Opinions from S. Bertelli et al. 2007
- 'Andalgalornis belongs to Patagornithinae'
- 'Andrewsornis belongs to Patagornithinae'
- 'Andrewsornis abbotti belongs to Andrewsornis' according to Patterson 1941
- 'Andrewsornis abbotti belongs to Andrewsornis'
- 'Brontornis belongs to Brontornithinae'
- 'Brontornis burmeisteri belongs to Brontornis'
- 'Brontornithidae was reranked as the subfamily Brontornithinae and belongs to Phorusrhacidae'
- 'Cariamae belongs to Neognathae'
- 'Devincenzia belongs to Phorusrhacinae'
- 'Kelenken belongs to Phorusrhacidae'
- 'Kelenken guillermoi belongs to Kelenken'
- 'Mesembriornis belongs to Mesembriornithinae'
- 'Mesembriornis milneedwardsi belongs to Mesembriornis'
- 'Mesembriornithinae belongs to Phorusrhacidae'
- 'Neognathae belongs to Aves'
- 'Paleopsilopterus belongs to Psilopterinae'
- 'Paleopsilopterus itaboraiensis belongs to Paleopsilopterus' according to Alvarenga 1985
- 'Paleopsilopterus itaboraiensis belongs to Paleopsilopterus'
- 'Patagornis belongs to Patagornithinae'
- 'Patagornis bachmanni is recombined as Psilopterus bachmanni'
- 'Patagornis lemoinei is recombined as Psilopterus lemoinei'
- 'Patagornis marshi belongs to Patagornis'
- 'Phororhacos affinis belongs to Phororhacos' according to Ameghino 1899
- 'Phororhacos affinis is recombined as Psilopterus affinis'
- 'Phororhacos longissimus is recombined as Phorusrhacos longissimus'
- 'Phororhacos pozzi belongs to Phororhacos' according to Kraglievich 1931
- 'Phororhacos pozzi is recombined as Devincenzia pozzi'
- 'Phororhacos steulleti belongs to Phororhacos' according to Kraglievich 1931
- 'Phororhacos steulleti is recombined as Andalgalornis steulleti'
- 'Phororhacosidae is corrected as Phorusrhacidae and belongs to Cariamae'
- 'Phorusrhacinae belongs to Phorusrhacidae'
- 'Phorusrhacos belongs to Phorusrhacinae'
- 'Physornis belongs to Brontornithinae'
- 'Physornis fortis belongs to Physornis'
- 'Procariama belongs to Psilopterinae'
- 'Procariama simplex belongs to Procariama'
- 'Prophororhacos incertus belongs to Prophororhacos' according to Rovereto 1914
- 'Prophororhacos incertus is recombined as Mesembriornis incertus'
- 'Psilopteridae was reranked as the subfamily Psilopterinae and belongs to Phorusrhacidae'
- 'Psilopterus belongs to Psilopterinae'
- 'Psilopterus colzecus belongs to Psilopterus' according to Tonni and Tambussi 1988
- 'Psilopterus colzecus belongs to Psilopterus'
- 'Titanis belongs to Phorusrhacinae'
- 'Titanis walleri belongs to Titanis'