Arctocephalus Cuvier, 1827 (additional source)
Arctocephalus gazella (Peters, 1875) (additional source)
Arctocephalus pusillus (Schreber, 1775) (basis of record)
Arctocephalus pusillus pusillus (Schreber, 1776) (basis of record)
Arctocephalus tropicalis (Gray, 1872) (basis of record)
Balaenoptera bonaerensis Burmeister, 1867 (basis of record)
Berardius Duvernoy, 1851 (additional source)
Caperea Gray, 1864 (basis of record)
Cephalorhynchus Gray, 1846 (basis of record)
Hydrurga (Blainville, 1820) (basis of record)
Hydrurga leptonyx (Blainville, 1820) (basis of record)
Hyperoodon planifrons Flower, 1882 (additional source)
Indopacetus Moore, 1968 (additional source)
Lagenorhynchus obscurus (Gray, 1828) (basis of record)
Lobodon (Hombrot & Jacquinot, 1842) (basis of record)
Mesoplodon grayi von Haast, 1876 (additional source)
Mesoplodon layardii (Gray, 1865) (additional source)
Mirounga Gray, 1827 (additional source)
Mirounga leonina (Linnaeus, 1758) (basis of record)
Neobalaenidae Gray, 1873 (additional source)
Otariidae Gray, 1825 (basis of record)
Sotalia (Gray, 1866) (basis of record)
Sotalia lentiginosa (Gray, 1866) accepted as Sousa plumbea (G. Cuvier, 1829) (basis of record)
Tasmacetus Oliver, 1937 (additional source)
Tasmacetus shepherdi Oliver, 1937 (basis of record)

English Andrew's beaked whale for Mesoplodon bowdoini Andrews, 1908
English Antarctic fur seal for Arctocephalus gazella (Peters, 1875)
English Antarctic minke whale for Balaenoptera bonaerensis Burmeister, 1867
English crabeater seal [from synonym] for Lobodon carcinophaga (Hombrot & Jacquinot, 1842)
English dusky dolphin for Lagenorhynchus obscurus (Gray, 1828)
English freckled dolphin [from synonym] for Sotalia lentiginosa (Gray, 1866)
English gingko-toothed whale for Mesoplodon ginkgodens Nishiwaki & Kamiya, 1958
English Gray's beaked whale for Mesoplodon grayi von Haast, 1876
English grey whale for Eschrichtius robustus (Lilljeborg, 1861)
English Hector's beaked whale for Mesoplodon hectori (Gray, 1871)
English Indo-Pacific humpback dolphin for Sousa chinensis (Osbeck, 1765)
English Irrawaddy dolphin for Orcaella brevirostris (Owen in Gray, 1866)
English leopard seal for Hydrurga leptonyx (Blainville, 1820)
English Longman's beaked whale for Indopacetus pacificus (Longman, 1926)
English long-snouted spinner dolphin for Stenella longirostris (Gray, 1828)
English melon-headed dolphin for Peponocephala electra (Gray, 1846)
English New Zealand fur seal [from synonym] for Arctocephalus forsteri (Lesson, 1828)
English New Zealand sea lion for Phocarctos hookeri (Gray, 1844)
English pygmy beaked whale for Mesoplodon peruvianus Reyes, Mead & Van Waerebeek, 1991
English pygmy blue whale for Balaenoptera musculus musculus (Linnaeus, 1758)
English pygmy right whale for Caperea marginata (Gray, 1846)
English Ross seal for Ommatophoca rossii Gray, 1844
English Shepherd's beaked whale for Tasmacetus shepherdi Oliver, 1937
English South African fur seal for Arctocephalus pusillus (Schreber, 1775)
English South African fur seal for Arctocephalus pusillus pusillus (Schreber, 1776)
English South American fur seal for Arctocephalus australis (Zimmermann, 1783)
English South American sea lion [from synonym] for Otaria flavescens Shaw, 1800
English southern elephant seal for Mirounga leonina (Linnaeus, 1758)
English southern right whale dolphin for Lissodelphis peronii (Lacépède, 1804)
English spectacled dolphin [from synonym] for Australophocaena dioptrica (Lahille, 1912)
English sperm whale for Physeter macrocephalus Linnaeus, 1758
English spotted dolphin for Stenella attenuata (Gray, 1846)
English strap-toothed whale for Mesoplodon layardii (Gray, 1865)
English subantarctic fur seal for Arctocephalus tropicalis (Gray, 1872)
English True's beaked whale for Mesoplodon mirus True, 1913
English Weddell seal for Leptonychotes weddellii (Lesson, 1826)