Seals sealions and walruses

Antzeko izenburuak

• Natural History of animals: animal liffe the world in the various aspects and relations
  nork: Ainsworth, J.R
  Argitaratua: (1905)
• Carnivoran evolution: new views on phylogeny, form, and function /
  Argitaratua: (2010)
• Seals, sea lions, and walruses, a review of the pinnipedia /
  nork: Scheffer, Victor B.
  Argitaratua: (1958)
• fauna of British India including Ceylon and Burma: mammalia V.2
  nork: Pocock, R. I.
  Argitaratua: (1975)
• Carnivores
  nork: Ewer, R F
  Argitaratua: (1973)