Opinions from N. A. Smith 2011
- 'Aethia belongs to Aethiini'
- 'Aethiini belongs to Fraterculinae'
- 'Alca belongs to Alcini'
- 'Alca impennis is recombined as Pinguinus impennis'
- 'Alca lomvia is recombined as Uria lomvia'
- 'Alca torda belongs to Alca'
- 'Alcidae belongs to Panalcidae'
- 'Alcini belongs to Alcinae'
- 'Alcodes is a nomen dubium'
- 'Alcodes ulnulus is a nomen dubium'
- 'Anous belongs to Charadriiformes'
- 'Bartramia belongs to Scolopacidae'
- 'Brachyramphus belongs to Alcinae'
- 'Cepphus belongs to Alcinae'
- 'Cepphus columba belongs to Cepphus' according to Pallas 1811
- 'Cepphus columba belongs to Cepphus'
- 'Cerorhinca belongs to Fraterculini'
- 'Charadriiformes belongs to Aves'
- 'Charadrius belongs to Charadriiformes'
- 'Chlidonias belongs to Sternidae'
- 'Colymbus aalge belongs to Colymbus' according to Pontoppidan 1763
- 'Colymbus aalge is recombined as Uria aalge'
- 'Creagrus belongs to Laridae'
- 'Cursorius belongs to Glareolidae'
- 'Fratercula belongs to Fraterculini'
- 'Fraterculinae belongs to Alcidae'
- 'Fraterculini belongs to Fraterculinae'
- 'Glareola belongs to Glareolidae'
- 'Glareolidae belongs to Charadriiformes'
- 'Gygis belongs to Charadriiformes'
- 'Hydrophasianus belongs to Charadriiformes'
- 'Laridae belongs to Charadriiformes'
- 'Larus belongs to Laridae'
- 'Mancalla belongs to Mancallinae'
- 'Mancalla californiensis belongs to Mancalla'
- 'Mancalla emlongi is a nomen dubium'
- 'Mancalla lucasi belongs to Mancalla'
- 'Mancalla milleri is a nomen dubium'
- 'Mancalla vegrandis belongs to Mancalla'
- 'Mancallidae was reranked as the subfamily Mancallinae and belongs to Panalcidae'
- 'Miomancalla belongs to Mancallinae'
- 'Miomancalla howardi belongs to Miomancalla'
- 'Numenius belongs to Scolopacidae'
- 'Pagophila belongs to Laridae'
- 'Panalcidae belongs to Charadriiformes'
- 'Phaetusa belongs to Sternidae'
- 'Plautus alle is recombined as Alle alle'
- 'Pliolunda diegense is a nomen dubium'
- 'Praemancalla is a nomen dubium'
- 'Praemancalla lagunensis belongs to Praemancalla' according to Howard 1966
- 'Praemancalla lagunensis is a nomen dubium'
- 'Praemancalla wetmorei is recombined as Miomancalla wetmorei'
- 'Ptychoramphus belongs to Aethiini'
- 'Rhinoptilus belongs to Charadriiformes'
- 'Rhodostethia belongs to Laridae'
- 'Rissa belongs to Laridae'
- 'Rynchops belongs to Charadriiformes'
- 'Scolopacidae belongs to Charadriiformes'
- 'Stercorariidae belongs to Charadriiformes'
- 'Stercorarius belongs to Stercorariidae'
- 'Sterna belongs to Sternidae'
- 'Sterninae was reranked as the family Sternidae and belongs to Charadriiformes'
- 'Sternula belongs to Sternidae'
- 'Stiltia belongs to Glareolidae'
- 'Synthliboramphus belongs to Alcinae'
- 'Tryngites belongs to Scolopacidae'
- 'Uria belongs to Alcini'
- 'Xema belongs to Laridae'