Opinions from M. Riedman 1990
- 'Arctocephalina was reranked as the subfamily Arctocephalinae and belongs to Otariidae'
- 'Arctocephalus belongs to Arctocephalinae'
- 'Arctocephalus forsteri belongs to Arctocephalus'
- 'Arctocephalus galapagoensis belongs to Arctocephalus'
- 'Arctocephalus gazella belongs to Arctocephalus'
- 'Arctocephalus hookeri is recombined as Phocarctos hookeri'
- 'Arctocephalus townsendi belongs to Arctocephalus'
- 'Callorhinus belongs to Arctocephalinae'
- 'Cystophora belongs to Phocinae'
- 'Erignathus belongs to Phocinae'
- 'Eumetopias belongs to Otariinae'
- 'Gypsophoca tropicalis is recombined as Arctocephalus tropicalis'
- 'Halichoerus belongs to Phocinae'
- 'Hydrurga belongs to Monachinae'
- 'Leptonychotes belongs to Monachinae'
- 'Lobodon belongs to Monachinae'
- 'Mirounga belongs to Monachinae'
- 'Mirounga angustirostris belongs to Mirounga'
- 'Monachinae belongs to Phocidae'
- 'Monachus belongs to Monachinae'
- 'Neophoca belongs to Otariinae'
- 'Odobaenidae is corrected as Odobenidae and belongs to Otarioidea'
- 'Odobenus belongs to Odobenidae'
- 'Ommatophoca belongs to Monachinae'
- 'Ommatophoca rossii is corrected as Ommatophoca rossi and belongs to Ommatophoca'
- 'Otaria belongs to Otariinae'
- 'Otaria (Arctophoca) philippii is recombined as Arctocephalus philippii'
- 'Arctocephalus australis is a subjective synonym of Neophoca cinerea'
- 'Otaria byronia belongs to Otaria'
- 'Otaria californiana is recombined as Zalophus californianus'
- 'Otaria cinerea is recombined as Neophoca cinerea'
- 'Otaria weddellii is recombined as Leptonychotes weddelli'
- 'Otariina was reranked as the family Otariidae and belongs to Otarioidea'
- 'Otariinae belongs to Otariidae'
- 'Otarioidea belongs to Pinnipedia'
- 'Phoca belongs to Phocinae'
- 'Phoca barbata is recombined as Erignathus barbatus'
- 'Phoca carcinophaga is recombined as Lobodon carcinophaga'
- 'Phoca caspica belongs to Phoca'
- 'Phoca cristata is recombined as Cystophora cristata'
- 'Phoca fasciata belongs to Phoca'
- 'Phoca groenlandica belongs to Phoca'
- 'Phoca grypus is recombined as Halichoerus grypus'
- 'Phoca hispida belongs to Phoca'
- 'Phoca jubata is recombined as Eumetopias jubatus'
- 'Phoca largha belongs to Phoca'
- 'Phoca leonina is recombined as Mirounga leonina'
- 'Phoca leptonyx is recombined as Hydrurga leptonyx'
- 'Phoca monachus is recombined as Monachus monachus'
- 'Phoca pusilla is recombined as Arctocephalus pusillus'
- 'Phoca rosmarus is recombined as Odobenus rosmarus'
- 'Phoca schauinslandi is recombined as Monachus schauinslandi'
- 'Phoca tropicalis is recombined as Monachus tropicalis'
- 'Phoca ursina is recombined as Callorhinus ursinus'
- 'Phoca vitulina belongs to Phoca'
- 'Phoca vitulina sibirica is recombined as Phoca sibirica'
- 'Phocadae is corrected as Phocidae and belongs to Phocoidea'
- 'Phocarctos belongs to Otariinae'
- 'Phocinae belongs to Phocidae'
- 'Phocoidea belongs to Pinnipedia'
- 'Rosmarus arcticus is recombined as Odobenus rosmarus rosmarus'
- 'Trichechus divergens is recombined as Odobenus rosmarus divergens'
- 'Zalophus belongs to Otariinae'