Arctocephalus galapagoensis Heller, 1904 (basis of record)
Arctocephalus philippii (Peters, 1866) (basis of record)
Arctocephalus pusillus doriferus Wood Jones, 1925 (basis of record)
Arctocephalus townsendi Merriam, 1897 accepted as Arctocephalus philippii townsendi (Merriam, 1897) (basis of record)
Balaena mysticetus Linnaeus, 1758 (additional source)
Balaenoptera acutorostrata Lacépède, 1804 (additional source)
Balaenoptera bonaerensis Burmeister, 1867 (additional source)
Balaenoptera borealis Lesson, 1828 (additional source)
Balaenoptera edeni Anderson, 1878 (additional source)
Balaenoptera musculus (Linnaeus, 1758) (additional source)
Balaenoptera omurai Wada, Oishi & Yamada, 2003 (additional source)
Balaenoptera physalus (Linnaeus, 1758) (additional source)
Berardius arnuxii Duvernoy, 1851 (basis of record)
Berardius bairdii Stejneger, 1883 (basis of record)
Callorhinus J.E. Gray, 1859 (basis of record)
Callorhinus ursinus (Linnaeus, 1758) (basis of record)
Caniformia (basis of record)
Caperea marginata (Gray, 1846) (basis of record)
Cephalorhynchus commersonii (Lacépède, 1804) (basis of record)
Cephalorhynchus eutropia Gray, 1846 (basis of record)
Cephalorhynchus heavisidii (Gray, 1828) (basis of record)
Cephalorhynchus hectori (P. J. Van Beneden, 1881) (basis of record)
Cystophora Nilsson, 1820 (basis of record)
Cystophora borealis Nilsson, 1820 accepted as Cystophora cristata (Erxleben, 1777) (basis of record)
Delphinapterus leucas (Pallas, 1776) (additional source)
Delphinus capensis Gray, 1828 accepted as Delphinus delphis Linnaeus, 1758 (additional source)
Delphinus delphis Linnaeus, 1758 (additional source)
Dugong Lacépède, 1799 (basis of record)
Enhydra Fleming, 1822 (basis of record)
Enhydra lutris kenyoni Wilson, 1991 (basis of record)
Enhydra lutris nereis (Merriam, 1904) (basis of record)
Eschrichtius robustus (Lilljeborg, 1861) (additional source)
Eubalaena australis (Desmoulins, 1822) (additional source)
Eubalaena glacialis (Müller, 1776) (basis of record)
Eubalaena japonica (Lacépède, 1818) (basis of record)
Eumetopias Gill, 1866 (basis of record)
Eumetopias jubatus (Schreber, 1776) (basis of record)
Feresa attenuata Gray, 1874 (additional source)
Globicephala macrorhynchus Gray, 1846 (additional source)
Globicephala melas (Traill, 1809) (additional source)
Grampus griseus (G. Cuvier, 1812) (additional source)
Histriophoca Gill, 1873 (basis of record)
Histriophoca fasciata (Zimmermann, 1783) (basis of record)
Hydrodamalis Retzius, 1794 † (basis of record)
Hydrodamalis gigas (Zimmermann, 1780) Palmer, 1895 (basis of record)
Hyperoodon (Frasercetus) Moore, 1968 (basis of record)
Hyperoodon (Frasercetus) planifrons Flower, 1882 represented as Hyperoodon planifrons Flower, 1882 (basis of record)
Hyperoodon (Hyperoodon) Lacépède, 1804 (basis of record)
Hyperoodon (Hyperoodon) ampullatus (Forster, 1770) represented as Hyperoodon ampullatus (Forster, 1770) (basis of record)
Hyperoodon ampullatus (Forster, 1770) (additional source)
Hyperoodon planifrons Flower, 1882 (additional source)
Indopacetus Moore, 1968 (basis of record)
Indopacetus pacificus (Longman, 1926) (basis of record)
Inia d'Orbigny, 1834 (basis of record)
Inia geoffrensis (de Blainville, 1817) (basis of record)
Iniidae Gray, 1846 (basis of record)
Kogia breviceps (de Blainville, 1838) (basis of record)
Kogia sima (Owen, 1866) (additional source)
Kogiidae Gill, 1871 (basis of record)
Lagenodelphis hosei Fraser, 1956 (basis of record)
Lagenorhynchus acutus (Gray, 1828) accepted as Leucopleurus acutus (Gray, 1828) (additional source)
Lagenorhynchus albirostris Gray, 1846 (additional source)
Lagenorhynchus australis (Peale, 1849) accepted as Sagmatias australis (Peale, 1849) (basis of record)
Lagenorhynchus cruciger (Quoy & Gaimard, 1824) accepted as Sagmatias australis (Peale, 1849) (basis of record)
Lagenorhynchus obliquidens Gill, 1865 accepted as Sagmatias obliquidens (Gill, 1865) (basis of record)
Lagenorhynchus obscurus (Gray, 1828) (additional source)
Lipotes Miller, 1918 (basis of record)
Lipotes vexillifer Miller, 1918 (basis of record)
Lissodelphis borealis (Peale, 1848) (basis of record)
Lissodelphis peronii (Lacépède, 1804) (additional source)
Lutrinae Bonaparte, 1838 (basis of record)
Megaptera novaeangliae (Borowski, 1781) (additional source)
Mesoplodon bidens (Sowerby, 1804) (additional source)
Mesoplodon bowdoini Andrews, 1908 (additional source)
Mesoplodon carlhubbsi Moore, 1963 (basis of record)
Mesoplodon densirostris (de Blainville, 1817) (additional source)
Mesoplodon europaeus (Gervais, 1855) (additional source)
Mesoplodon ginkgodens Nishiwaki & Kamiya, 1958 (additional source)
Mesoplodon grayi von Haast, 1876 (basis of record)
Mesoplodon hectori (Gray, 1871) (additional source)
Mesoplodon layardii (Gray, 1865) (basis of record)
Mesoplodon mirus True, 1913 (basis of record)
Mesoplodon perrini Dalebout, Mead, Baker, Baker & van Helden, 2002 (basis of record)
Mesoplodon peruvianus Reyes, Mead & Van Waerebeek, 1991 (basis of record)
Mesoplodon stejnegeri True, 1885 (basis of record)
Mesoplodon traversii (Gray, 1874) (basis of record)
Mirounga angustirostris (Gill, 1866) (basis of record)
Monachus Fleming, 1822 (basis of record)
Monachus schauinslandi Matschie, 1905 accepted as Neomonachus schauinslandi (Matschie, 1905) (basis of record)
Monachus tropicalis (J.E. Gray, 1850) accepted as Neomonachus tropicalis (J.E. Gray, 1850) (basis of record)
Monodon monoceros Linnaeus, 1758 (additional source)
Mustelidae Fischer, 1817 (basis of record)
Neobalaenidae Gray, 1873 (basis of record)
Neophoca Gray, 1866 (basis of record)
Neophoca cinerea (Péron, 1816) (basis of record)
Neophocaena Palmer, 1899 (basis of record)
Neophocaena phocaenoides (Cuvier, 1829) (basis of record)
Odobenus Brisson, 1762 (basis of record)
Odobenus rosmarus divergens (Illiger, 1815) (basis of record)
Odobenus rosmarus laptevi Chapskii, 1940 (basis of record)