basis of record: Shirihai, H. 2002 A complete guide to Antarctic Wildlife: the Birds and Marine Mammals of the Antarctic Continent and the Southern Ocean Alula Press FI 510 pp [details]
Citation: Berta, A.; Churchill, M. (2013). Otaria Shaw, 1800. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=231397 on 2013-06-19