Opinions from J. E. Gray 1850
- 'Arctocephalus belongs to Phocidae'
- 'Arctocephalus hookeri belongs to Arctocephalus'
- 'Arctocephalus lobatus belongs to Arctocephalus'
- 'Callocephalus belongs to Phocidae'
- 'Cystophora belongs to Phocidae'
- 'Cystophora antillarum belongs to Cystophora'
- 'Halichoerus belongs to Phocidae'
- 'Leptonyx belongs to Phocidae'
- 'Lobodon belongs to Phocidae'
- 'Mirounga [misspelled as Morunga] belongs to Phocidae'
- 'Monachus belongs to Phocidae'
- 'Ommatophoca belongs to Phocidae'
- 'Ommatophoca rossii belongs to Ommatophoca'
- 'Otaria belongs to Phocidae'
- 'Otaria australis is recombined as Arctocephalus australis'
- 'Otaria cinerea is recombined as Arctocephalus cinereus'
- 'Otaria weddellii is recombined as Leptonyx weddellii'
- 'Pagophilus belongs to Phocidae'
- 'Phoca belongs to Phocidae'
- 'Phoca albiventer is recombined as Monachus albiventer'
- 'Phoca barbata belongs to Phoca'
- 'Phoca carcinophaga is recombined as Lobodon carcinophaga'
- 'Phoca caspica is recombined as Callocephalus caspicus'
- 'Phoca cristata is recombined as Cystophora cristata'
- 'Phoca dimidiata is recombined as Callocephalus dimidiatus'
- 'Phoca elephantina is recombined as Morunga elephantina'
- 'Phoca falklandica is recombined as Arctocephalus falklandicus'
- 'Phoca foetida is recombined as Callocephalus foetidus'
- 'Phoca groenlandica is recombined as Pagophilus groenlandicus'
- 'Phoca grypus is recombined as Halichoerus grypus'
- 'Phoca hispida is recombined as Callocephalus hispidus'
- 'Phoca largha is recombined as Callocephalus largha'
- 'Phoca leonina is recombined as Otaria leonina'
- 'Phoca leptonyx is recombined as Stenorhynchus leptonyx'
- 'Phoca rosmarus is recombined as Trichechus rosmarus'
- 'Phoca stelleri is recombined as Otaria stelleri'
- 'Phoca tropicalis belongs to Phoca'
- 'Phoca ursina is recombined as Arctocephalus ursinus'
- 'Phoca vitulina is recombined as Callocephalus vitulinus'
- 'Stenorhinchus [misspelled as Stenorhynchus] belongs to Phocidae'
- 'Trichechus belongs to Phocidae'