Opinions from I. A. Koretsky and L. G. Barnes 2006
- 'Allodesmidae was reranked as the family Allodesminae and belongs to Desmatophocidae'
- 'Arctocephalus belongs to Otariinae'
- 'Arctocephalus (Hydrarctos) lomasiensis is recombined as Hydrarctos lomasiensis'
- 'Callorhinus belongs to Otariinae'
- 'Cryptophoca belongs to Phocinae'
- 'Desmatophocidae belongs to Otarioidea'
- 'Desmatophocinae belongs to Desmatophocidae'
- 'Dusignathinae belongs to Odobenidae'
- 'Enaliarctinae belongs to Otarioidea'
- 'Enaliarctos belongs to Enaliarctinae'
- 'Enaliarctos mealsi belongs to Enaliarctos'
- 'Histriophoca belongs to Phocinae'
- 'Histriophoca alekseevi belongs to Histriophoca'
- 'Hydrarctos belongs to Otariinae'
- 'Imagotariinae belongs to Odobenidae'
- 'Monachopsis belongs to Phocinae'
- 'Odobaenidae is corrected as Odobenidae and belongs to Otarioidea'
- 'Odobeninae belongs to Odobenidae'
- 'Otariina was reranked as the family Otariidae and belongs to Otarioidea'
- 'Otariini belongs to Otariinae'
- 'Phoca belongs to Phocinae'
- 'Phoca caspica is recombined as Pusa caspica'
- 'Phoca hispida is recombined as Pusa hispida'
- 'Phoca maeotica is recombined as Cryptophoca maeotica'
- 'Phoca pontica is recombined as Monachopsis pontica'
- 'Phoca ursina is recombined as Callorhinus ursinus'
- 'Phoca vindobonensis is recombined as Praepusa vindobonensis'
- 'Phoca vitulina sibirica is recombined as Pusa sibirica'
- 'Phocinae belongs to Phocidae'
- 'Pithanotaria belongs to Otariinae'
- 'Pithanotaria starri belongs to Pithanotaria'
- 'Praepusa belongs to Phocinae'
- 'Pusa belongs to Phocinae'
- 'Sarmatonectes belongs to Phocinae'
- 'Sarmatonectes sintsovi belongs to Sarmatonectes'
- 'Thalassoleon belongs to Otariinae'
- 'Thalassoleon mexicanus belongs to Thalassoleon'
- 'Zalophus belongs to Otariini'
- 'Zalophus wollebaeki belongs to Zalophus' according to Silversten 1954
- 'Zalophus wollebaeki belongs to Zalophus'