List of marine mammal species

Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders. The Society for Marine Mammalogy, an international scientific society, maintains a list of valid species and subspecies, most recently updated in October 2015. This list follows the Society's taxonomy regarding and subspecies.

Conservation status codes listed follow the IUCN Red List of Threatened Species (v. 2014.3; data current at 19 January 2015 ) and are clickable to link to IUCN Red List species pages.

Order Cetartiodactyla
Footnote on use of Cetartiodactyla

Balaenidae

 * North Atlantic right whale, Eubalaena glacialis
 * North Pacific right whale, Eubalaena japonica
 * Southern right whale, Eubalaena australis
 * Bowhead whale or Greenland right whale, Balaena mysticetus

Balaenopteridae

 * Common minke whale, Balaenoptera acutorostrata (ssp. acutorostrata - North Atlantic minke whale, ssp. scammoni - North Pacific minke whale , unnamed ssp. dwarf minke whale )
 * Antarctic minke whale, Balaenoptera bonaerensis
 * Sei whale, Balaenoptera borealis (ssp. borealis - northern sei whale, ssp. schlegellii - southern sei whale )
 * Bryde's whale, Balaenoptera edeni (ssp. brydei - Bryde's whale, ssp. edeni - Eden's whale  )
 * Omura's whale, Balaenoptera omurai
 * Blue whale, Balaenoptera musculus (ssp. musculus - northern blue whale, ssp. brevicauda - pygmy blue whale , ssp. intermedia - southern blue whale , ssp. indica - great Indian blue whale )
 * Fin whale, Balaenoptera physalus (ssp. patachonica pygmy fin whale, ssp. physalus - northern fin whale  but Mediterranean Subpopulation , ssp. quoyi - southern fin whale )
 * Humpback whale, Megaptera novaeangliae (ssp. novaeangliae North Atlantic humpback whale, ssp. kuzira - North Pacific humpback whale , ssp. australis - southern humpback whale  but Oceania subpopulation , isolated subpopulation in Arabian Sea )

Neobalaenidae

 * Pygmy right whale, Caperea marginata

Eschrichtiidae

 * Gray whale, Eschrichtius robustus

Physeteridae

 * Sperm whale, Physeter macrocephalus

Kogiidae

 * Pygmy sperm whale, Kogia breviceps
 * Dwarf sperm whale, Kogia simus

Ziphiidae

 * Arnoux's beaked whale, Berardius arnuxii
 * Baird's beaked whale, Berardius bairdii
 * Sato's beaked whale, Berardius minimus
 * Northern bottlenose whale, Hyperoodon ampullatus
 * Southern bottlenose whale, Hyperoodon planifrons
 * Tropical bottlenose whale, Indopacetus pacificus
 * Sowerby's beaked whale, Mesoplodon bidens
 * Andrews' beaked whale, Mesoplodon bowdoini
 * Hubbs' beaked whale, Mesoplodon carlhubbsi
 * Blainville's beaked whale, Mesoplodon densirostris
 * Gervais' beaked whale, Mesoplodon europaeus
 * Ginkgo-toothed beaked whale, Mesoplodon ginkgodens
 * Gray's beaked whale, Mesoplodon grayi
 * Hector's beaked whale, Mesoplodon hectori
 * Deraniyagala's beaked whale, Mesoplodon hotaula
 * Strap-toothed whale, Mesoplodon layardii
 * True's beaked whale, Mesoplodon mirus
 * Perrin's beaked whale, Mesoplodon perrini
 * Pygmy beaked whale, Mesoplodon peruvianus
 * Stejneger's beaked whale, Mesoplodon stejnegeri
 * Spade-toothed whale, Mesoplodon traversii
 * Shepherd's beaked whale, Tasmacetus shepherdi
 * Cuvier's beaked whale, Ziphius cavirostris

Platanistidae

 * Ganges river dolphin, Platanista gangetica
 * Indus river dolphin, Platanista minor

Iniidae

 * Amazon river dolphin, Inia geoffrensis (ssp. geoffrensis - common boto, ssp. boliviensis - Bolivian bufeo )

Lipotidae

 * Baiji, Lipotes vexillifer, possibly

Pontoporiidae

 * La Plata dolphin (Franciscana), Pontoporia blainvillei

Monodontidae

 * Beluga, Delphinapterus leucas (Cook Inlet Subpopulation )
 * Narwhal, Monodon monoceros

Delphinidae

 * Commerson's dolphin, Cephalorhynchus commersonii (ssp. commersonii - Commerson's dolphin, ssp. kerguelenensis - Kerguelen Islands Commerson’s dolphin )
 * Chilean dolphin, Cephalorhynchus eutropia
 * Heaviside's dolphin, Cephalorhynchus heavisidii
 * Hector's dolphin, Cephalorhynchus hectori (ssp. hectori - South Island Hector’s dolphin, ssp. maui - Maui's dolphin or North Island Hector’s dolphin )
 * Long-beaked common dolphin, Delphinus capensis (ssp. capensis - long-beaked common dolphin, ssp. tropicalis - Indo-Pacific common dolphin )
 * Short-beaked common dolphin, Delphinus delphis (ssp.  delphis - short-beaked common dolphin Mediterranean Subpopulation, ssp. ponticus - Black Sea common dolphin )
 * Pygmy killer whale, Feresa attenuata
 * Short-finned pilot whale, Globicephala macrorhynchus
 * Long-finned pilot whale, Globicephala melas (ssp. edwardii - southern long-finned pilot whale, ssp. melas - North Atlantic long-finned pilot whale , unnamed spp. - North Pacific long-finned pilot whale )
 * Risso's dolphin, Grampus griseus
 * Fraser's dolphin, Lagenodelphis hosei
 * White-beaked dolphin, Lagenorhynchus albirostris
 * Atlantic white-sided dolphin, Lagenorhynchus acutus
 * Peale's dolphin, Lagenorhynchus australis
 * Hourglass dolphin, Lagenorhynchus cruciger
 * Pacific white-sided dolphin, Lagenorhynchus obliquidens
 * Dusky dolphin, Lagenorhynchus obscurus (ssp. fitzroyi - Fitzroy’s dolphin, ssp. obscurus - African dusky dolphin , ssp. posidonia - Chilean dusky dolphin , unnamed spp. - New Zealand dusky dolphin )
 * Northern right whale dolphin, Lissodelphis borealis
 * Southern right whale dolphin, Lissodelphis peronii
 * Irrawaddy dolphin, Orcaella brevirostris
 * Australian snubfin dolphin, Orcaella heinsohni
 * Orca (killer whale), Orcinus orca (unnamed ssp. - resident killer whale, unnamed ssp. transient killer whale )
 * Melon-headed whale, Peponocephala electra
 * False killer whale, Pseudorca crassidens
 * Atlantic humpback dolphin, Sousa teuszii 
 * Indo-Pacific humpbacked dolphin, Sousa chinensis, (ssp. chinensis - Chinese humpback dolphin , ssp. taiwanensis - Taiwanese humpback dolphins )
 * Indian Ocean humpback dolphin, Sousa plumbea
 * Australian humpback dolphin, Sousa sahulensis
 * Tucuxi, Sotalia fluvialis
 * Guiana dolphin (Costero), Sotalia guianensis
 * Pantropical spotted dolphin, Stenella attenuata (ssp. attenuata - Offshore pantropical spotted dolphin, ssp. graffmani - Coastal pantropical spotted dolphin )
 * Clymene dolphin, Stenella clymene
 * Striped dolphin, Stenella coeruleoalba
 * Atlantic spotted dolphin, Stenella frontalis
 * Spinner dolphin, Stenella longirostris (ssp. centroamericana - Central American spinner dolphin, ssp. longirostris - Gray’s spinner dolphin , ssp. orientalis - Eastern spinner dolphin , ssp. roseiventris - dwarf spinner dolphin )
 * Rough-toothed dolphin, Steno bredanensis
 * Indo-Pacific bottlenose dolphin, Tursiops aduncus
 * Common bottlenose dolphin, Tursiops truncatus (ssp. truncatus - Atlantic bottlenose dolphin Fiordland subpopulation  and Mediterranean subpopulation, ssp. gillii - Pacific bottlenose dolphin, ssp. poncticus - Black Sea bottlenose dolphin )
 * Burrunan dolphin, Tursiops australis

Phocoenidae

 * Indo-Pacific finless porpoise, Neophocaena phocaenoides
 * Narrow-ridged finless porpoise, Neophocaena asiaeorientalis, (spp. asiaeorientalis - Yangtze finless porpoise , ssp. sumameri - East Asian finless porpoise (sunameri) )
 * Spectacled porpoise, Phocoena dioptrica
 * Harbour porpoise, Phocoena phocoena (Baltic Sea subpopoulation )  (ssp. phocoena - Atlantic harbour porpoise, ssp. vomerina - Eastern Pacific harbour porpoise , ssp. relicta - Black Sea harbour porpoise , unnamed ssp. Western Pacific harbour porpoise )
 * Vaquita, Phocoena sinus
 * Burmeister's porpoise, Phocoena spinipinnis
 * Dall’s porpoise, Phocoenoides dalli (ssp. dalli - Dalli-type Dall’s porpoise, ssp. truei - Truei-type Dall’s porpoise)

Trichechidae

 * Amazonian manatee, Trichechus inunguis
 * West Indian manatee, Trichechus manatus (ssp. latirostris - Florida manatee, ssp. manatus - Antillean manatee )
 * African manatee, Trichechus senegalensis

Dugongidae

 * Dugong, Dugong dugon
 * Steller's sea cow, Hydrodamalis gigas

Otariidae

 * Brown fur seal, Arctocephalus pusillus (ssp. pusillus - Cape fur seal, ssp. doriferus - Australian fur seal )
 * South American fur seal, Arctophoca australis (ssp. australis - South American fur seal, unnamed ssp. - Peruvian fur seal )
 * New Zealand fur seal, Arctophoca forsteri
 * Galápagos fur seal, Arctophoca galapagoensis
 * Antarctic fur seal, Arctophoca gazella
 * Juan Fernández fur seal, Arctophoca philippii
 * Guadalupe fur seal, Arctophoca townsendi
 * Subantarctic fur seal, Arctophoca tropicalis
 * Northern fur seal, Callorhinus ursinus
 * Steller sea lion, Eumetopias jubatus (ssp. jubatus - western Steller sea lion, ssp. monteriensis - Loughlin’s Steller sea lion )
 * Australian sea lion, Neophoca cinerea
 * South American sea lion, Otaria byronia
 * New Zealand sea lion, Phocarctos hookeri
 * California sea lion, Zalophus californianus
 * Japanese sea lion, Zalophus japonicus
 * Galápagos sea lion, Zalophus wollebaeki

Odobenidae

 * Walrus, Odobenus rosmarus (ssp. divergens - Pacific walrus, ssp. rosmarus - Atlantic walrus )

Phocidae

 * Hooded seal, Cystophora cristata
 * Bearded seal, Erignathus barbatus (ssp. barbatus - Atlantic bearded seal, ssp. nauticus - Pacific bearded seal )
 * Grey seal, Halichoerus grypus (ssp. grypus - Western Atlantic grey seal, ssp. macrorhynchus - Eastern Atlantic grey seal )
 * Ribbon seal, Histriophoca fasciata
 * Leopard seal, Hydrurga leptonyx
 * Weddell seal, Leptonychotes weddellii
 * Crabeater seal, Lobodon carcinophagus
 * Southern elephant seal, Mirounga leonina
 * Northern elephant seal, Mirounga angustirostris
 * Mediterranean monk seal, Monachus monachus
 * Hawaiian monk seal, Neomonachus schauinslandi
 * Caribbean monk seal, Neomonachus tropicalis
 * Ross seal, Ommatophoca rossii
 * Harp seal, Pagophilus groenlandicus
 * Harbor seal, Phoca vitulina (ssp. vitulina - Atlantic harbor seal, ssp. mellonae - Ungava harbor seal , ssp. richardii - Pacific harbour seal )
 * Spotted seal, Phoca largha
 * Ringed seal, Pusa hispida (ssp. hispida - Arctic ringed seal, ssp. botnica  - Baltic ringed seal  , ssp. ochotensis - Okhotsk ringed seal , ssp. ladogensis - Lake Logoda ringed seal , ssp. saimensis - Saima seal )
 * Caspian seal, Pusa caspica
 * Baikal seal, Pusa sibirica

Ursidae

 * Polar bear, Ursus maritimus

Mustelidae

 * Sea otter, Enhydra lutris (ssp. kenyoni - northern sea otter, ssp. lutris - common sea otter , ssp. nereis - southern sea otter )
 * Marine otter, Lontra felina
 * Sea mink, Neovison macrodon