Pinnipedia

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Pinnipedia
Weddel seal.jpg
Weddell seal
Leptonychotes weddellii
Scientific classification
Kingdom Information
Domain Eukaryota
Kingdom Animalia
Subkingdom Bilateria
Branch Deuterostomia
Phylum Information
Phylum Chordata
Sub-phylum Vertebrata
Infraphylum Gnathostomata
Class Information
Superclass Tetrapoda
Class Mammalia
Sub-class Theriiformes
Infra-class Holotheria
Order Information
Superorder Preptotheria
Order Carnivora
Sub-order Pinnipedia
Family Information
Families Odobenidae
Otariidae
Phocidae
Population statistics

Pinnipedia refers to a suborder of the mammalian order Carnivora, comprising three families and thirty-four living species of semi-aquatic marine mammals, which include sea lions, fur seals, true seals and the walrus. Members of this group are also known as the fin-footed mammals and are characterized by clumsiness on land but great agility in the water.

Families

  • Odobenidae; one species, found in the Arctic regions of North America. Characterized by large size and the presence of a pair of ivory tusks.
Walrus, Odobenus rosmarus
  • Otariidae; sea lions and fur seals, fifteen species. Characterized by presence of ears and ability to move about on land fairly-well, by moving the hind flippers from facing backward to facing forward. Generally use fur, rather than blubber, as a primary method of insulation. Swimming power comes mainly from the fore flippers.
Genus Arctocephalus
Antarctic fur seal, A. gazella
Brown fur seal, A. pusillus
Galápagos fur seal, A. galapagoensis
Guadalupe fur seal, A. townsendi
Juan Fernández fur seal, A. philippii
New Zealand fur seal, A. forsteri
South American fur seal, A. australis
Subantarctic fur seal, A. tropicalis
Genus Callorhinus
Northern fur seal, C. ursinus
Genus Eumetopias
Steller sea lion, E. jubatus
Genus Neophoca
Australian sea lion, N. cinerea
Genus Otaria
South American sea lion, O. flavescens
Genus Phocarctos
New Zealand sea lion, P. hookeri
Genus Zalophus
California sea lion, Z. californianus
Galápagos sea lion, Z. wollebaeki
  • Phocidae; true seals, eighteen species. Characterized by lack of external ears and a "caterpillar" method of moving about on land. Use blubber, rather than fur, as primary insulation. Swimming power comes mainly from the hind flippers.
Subfamily Monachinae
Tribe Lobodontini
Bearded seal, Erignathus barbatus
Crabeater seal, Lobodon carcinophagus
Hooded seal, Cystophora cristata
Leopard seal, Hydrurga leptonyx
Ross seal, Ommatophoca rossi
Weddell seal, Leptonychotes weddellii
Tribe Miroungini
Northern elephant seal, Mirounga angustirostris
Southern elephant seal, Mirounga leonina
Tribe Monachini
Hawaiian monk seal, Monachus schauinslandi
Mediterranean monk seal, Monachus monachus
Tribe Phocini
Baikal seal, Pusa sibirica
Caspian seal, Pusa caspica
Gray seal, Halichoerus grypus
Harbor seal, Phoca vitulina
Harp seal, Pagophilus groenlandica
Ribbon seal, Histriophoca fasciata
Ringed seal, Pusa hispida
Spotted seal or Larga seal, Phoca largha
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