Opinions from R. M. Chandler 1990
- 'Aechmophorus belongs to Podicipedidae'
- 'Aechmophorus elasson belongs to Aechmophorus' according to Murray 1967
- 'Aechmophorus elasson belongs to Aechmophorus'
- 'Alcae belongs to Charadriiformes'
- 'Alcidae belongs to Alcae'
- 'Anatidae belongs to Anseriformes'
- 'Anatinae belongs to Anatidae'
- 'Brachyramphus belongs to Alcidae'
- 'Brachyramphus dunkeli belongs to Brachyramphus'
- 'Cerorhinca belongs to Alcidae'
- 'Cerorhinca reai belongs to Cerorhinca'
- 'Charadriidae belongs to Charadriiformes'
- 'Charadrius belongs to Charadriidae'
- 'Diomedea belongs to Diomedeidae'
- 'Diomedeidae belongs to Procellariiformes'
- 'Gavia belongs to Gaviinae'
- 'Gavia howardae belongs to Gavia'
- 'Gaviidae belongs to Gaviiformes'
- 'Gaviinae belongs to Gaviidae'
- 'Hydrobatidae belongs to Procellariiformes'
- 'Laridae belongs to Charadriiformes'
- 'Larinae belongs to Laridae'
- 'Larus belongs to Larinae'
- 'Leucocarboninae belongs to Phalacrocoracidae'
- 'Mancalla belongs to Alcidae'
- 'Mancalla milleri belongs to Mancalla'
- 'Melanitta belongs to Mergini'
- 'Melanitta ceruttii belongs to Melanitta'
- 'Mergini belongs to Anatinae'
- 'Miosula recentior is recombined as Morus recentior'
- 'Morus belongs to Sulidae'
- 'Muscicapidae belongs to Passeriformes'
- 'Oceanodroma belongs to Procellariiformes'
- 'Phalacrocoracidae belongs to Pelecaniformes'
- 'Phalacrocoracinae belongs to Phalacrocoracidae'
- 'Phalacrocorax belongs to Phalacrocoracinae'
- 'Phalacrocorax kennelli belongs to Phalacrocorax'
- 'Pliolunda diegense is recombined as Mancalla diegensis'
- 'Podiceps belongs to Podicipedidae'
- 'Podiceps arndti belongs to Podiceps'
- 'Podiceps discors belongs to Podiceps' according to Murray 1967
- 'Podiceps discors belongs to Podiceps'
- 'Podiceps subparvus belongs to Podiceps' according to Miller and Bowman 1958
- 'Podiceps subparvus belongs to Podiceps'
- 'Podicipedidae belongs to Podicipediformes'
- 'Procellariidae belongs to Procellariiformes'
- 'Ptychoramphus belongs to Alcidae'
- 'Ptychoramphus tenuis belongs to Ptychoramphus' according to Miller and Bowman 1958
- 'Ptychoramphus tenuis belongs to Ptychoramphus'
- 'Puffinus belongs to Procellariidae'
- 'Puffinus gilmorei belongs to Puffinus'
- 'Rissa belongs to Larinae'
- 'Rissa estesi belongs to Rissa'
- 'Scolopacidae belongs to Charadriiformes'
- 'Sterna belongs to Sterninae'
- 'Sterninae belongs to Laridae'
- 'Stictocarbo belongs to Leucocarboninae'
- 'Stictocarbo kumeyaay belongs to Stictocarbo'
- 'Sula clarki belongs to Sula'
- 'Sula humeralis belongs to Sula' according to Miller and Bowman 1958
- 'Sula humeralis is recombined as Morus humeralis'
- 'Sulidae belongs to Pelecaniformes'
- 'Synthliboramphus belongs to Alcidae'
- 'Synthliboramphus rineyi belongs to Synthliboramphus'
- 'Turdidae was reranked as the subfamily Turdinae and belongs to Muscicapidae'
- 'Turdus belongs to Turdinae'