16 Species in Family Otariidae
| Scientific Name | Author | English Name |
|---|---|---|
| Arctocephalus australis | (Zimmermann, 1783) | South American fur seal |
| Arctocephalus forsteri | (Lesson, 1828) | New Zealand fur seal |
| Arctocephalus galapagoensis | Heller, 1904 | Galapagos fur seal |
| Arctocephalus gazella | (Peters, 1875) | Antarctic fur seal |
| Arctocephalus philippii | (Peters, 1866) | Juan fernandez fur seal |
| Arctocephalus pusillus | (Schreber, 1775) | South African fur seal |
| Arctocephalus townsendi | Merriam, 1897 | Guadalupe fur seal |
| Arctocephalus tropicalis | (Gray, 1872) | Subantarctic fur seal |
| Callorhinus ursinus | (Linnaeus, 1758) | Northern fur seal |
| Eumetopias jubatus | (Schreber, 1776) | Steller's sea lion |
| Neophoca cinerea | (Péron, 1816) | Australian sea lion |
| Otaria flavescens | (Shaw, 1800) | South American sea lion |
| Phocarctos hookeri | (Gray, 1844) | Hooker's sea lion |
| Zalophus californianus | (Lesson, 1828) | California sea lion |
| Zalophus japonicus | (Peters, 1866) | Japanese sea lion |
| Zalophus wollebaeki | Sivertsen, 1953 | Galapagos sea lion |