URMO Taxon list
Arctocephalus australis (Zimmermann, 1783)
Arctocephalus australis forsteri (Lesson, 1828)
Arctocephalus forsteri (Lesson, 1828) accepted as Arctocephalus australis forsteri (Lesson, 1828)
Arctocephalus galapagoensis Heller, 1904
Arctocephalus gazella (Peters, 1875)
Arctocephalus philippii (Peters, 1866)
Arctocephalus philippii townsendi (Merriam, 1897)
Arctocephalus pusillus (Schreber, 1775)
Arctocephalus townsendi Merriam, 1897 accepted as Arctocephalus philippii townsendi (Merriam, 1897)
Arctocephalus tropicalis (Gray, 1872)
Callorhinus ursinus (Linnaeus, 1758)
Cystophora cristata (Erxleben, 1777)
Enhydra lutris (Linnaeus, 1758)
Erignathus barbatus (Erxleben, 1777)
Eumetopias jubatus (Schreber, 1776)
Halichoerus grypus (Fabricius, 1791)
Histriophoca fasciata (Zimmermann, 1783)
Hydrurga leptonyx (Blainville, 1820)
Leptonychotes weddelli (Lesson, 1826) accepted as Leptonychotes weddellii (Lesson, 1826)
Leptonychotes weddellii (Lesson, 1826)
Lobodon carcinophagus (Hombron & Jacquinot, 1842)
Lontra felina (Molina, 1782) accepted as Lutra felina (Molina, 1782)
Lontra provocax Thomas, 1908 accepted as Lutra canadensis provocax (Thomas, 1908)
Lutra canadensis (Schreber, 1777)
Lutra canadensis provocax (Thomas, 1908)
Lutra felina (Molina, 1782)
Lutra lutra (Linnaeus, 1758)
Mirounga angustirostris (Gill, 1866)
Mirounga leonina (Linnaeus, 1758)
Monachus monachus (Hermann, 1779)
Monachus schauinslandi Matschie, 1905 accepted as Neomonachus schauinslandi (Matschie, 1905)
Monachus tropicalis (J.E. Gray, 1850) accepted as Neomonachus tropicalis (J.E. Gray, 1850)
Neomonachus schauinslandi (Matschie, 1905)
Neomonachus tropicalis (J.E. Gray, 1850)
Neophoca cinerea (Péron, 1816)
Odobenus rosmarus (Linnaeus, 1758)
Ommatophoca rossii Gray, 1844
Otaria byronia (de Blainville, 1820)
Otaria flavescens Shaw, 1800 accepted as Otaria byronia (de Blainville, 1820)
Pagophilus groenlandicus (Erxleben, 1777)
Phoca largha Pallas, 1811
Phoca vitulina Linnaeus, 1758
Phocarctos hookeri (Gray, 1844)
Pusa caspica Gmelin, 1788
Pusa hispida (Schreber, 1775)
Pusa sibirica (Gmelin, 1788)
Ursus maritimus Phipps, 1774
Zalophus californianus (Lesson, 1828)
Zalophus japonicus (Peters, 1866)
Zalophus wollebaeki Sivertsen, 1953